Fatto generale: 2140 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2140 is an unremarkable number.
Trivia: 2140 is an unremarkable number.
Data storica: November 9th is the day in 1822 that the Action of 9 November 1822 between USS Alligator and a squadron of piratical schooners off the coast of Cuba.