140785299 has 6 divisors (see below), whose sum is σ = 203356556. Its totient is φ = 93856860.

The previous prime is 140785289. The next prime is 140785301. The reversal of 140785299 is 992587041.

It is not a de Polignac number, because 140785299 - 2⁴ = 140785283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140785289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7821397 + ... + 7821414.

Almost surely, 2^140785299 is an apocalyptic number.

140785299 is a deficient number, since it is larger than the sum of its proper divisors (62571257).

140785299 is a wasteful number, since it uses less digits than its factorization.

140785299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642817 (or 15642814 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 140785299 is about 11865.2980999215. The cubic root of 140785299 is about 520.2184720546.

The spelling of 140785299 in words is "one hundred forty million, seven hundred eighty-five thousand, two hundred ninety-nine".