Hecho general: 81434 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 81434 is a boring number.
Trivia: 81434 is a boring number.
Fecha histórica: December 16th is the day in 755 that an Lushan revolts against Chancellor Yang Guozhong at Fanyang, initiating the An Shi Rebellion during the Tang Dynasty of China.