In the film Good Will Hunting when Stellan Skarsgård is trying to convince Robin Williams to take on Matt Damon he compares him to Srinivasa Ramanujan as an example of his extraordinary ability.
When Ramanujan is leaving, Hardy mentions he took a cab with an uninteresting number: 1729. Ramanujan says that 1729 is interesting because it is the smallest integer that can be summed by two cubes of integers in two different ways. The integers and the sums are 1 and 12, and 9 and 10. (1 + 1728, and 729 + 1000). At the end of the movie, Hardy chooses to take (another? the same?) cab, with the number plate "CE1729". (In real life, the exchange between Hardy and Ramanujan took place in Ramanujan's hospital room.)
When Littlewood and Ramanujan enter the quadrangle in Trinity College, Littlewood points to the tree from which Newton's apple [supposedly] fell. But this incident, if true, most likely did not occur at Cambridge, which had been closed for a semester due to an outbreak of the Black Plague. Instead, it may have occurred at Newton's mother's farm, at which he spent the semester, and where, being quite impractical, he did very little farming, but no doubt engaged in much thinking.
David Leavitt ("The Lost Language of Cranes") wrote a semi-fictional version of this story in his novel, "The Indian Clerk".
There are references in the film to "Gunga Din", the poem by Rudyard Kipling. Characters quote 'Din! Din! Din!', a repeated phrase from the poem, and also mention the name, 'Gunga Din'. Ramanujan, like Gunga Din, is an Indian undervalued by his white peers. The key lines from the poem that apply to Ramanujan's situation and his relationships with the Cambridge academics occur in the last verse. The narrator of the poem acknowledges the mistreatment given by himself and the other white men to Gunga Din and the poem finishes with the line, "You're a better man than I am, Gunga Din".