140870499 has 24 divisors (see below), whose sum is σ = 235952640. Its totient is φ = 73178160.

The previous prime is 140870497. The next prime is 140870539. The reversal of 140870499 is 994078041.

It is not a de Polignac number, because 140870499 - 2¹ = 140870497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140870499.

It is not an unprimeable number, because it can be changed into a prime (140870491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25179 + ... + 30260.

It is an arithmetic number, because the mean of its divisors is an integer number (9831360).

Almost surely, 2^140870499 is an apocalyptic number.

140870499 is a deficient number, since it is larger than the sum of its proper divisors (95082141).

140870499 is a wasteful number, since it uses less digits than its factorization.

140870499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55471 (or 55460 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 140870499 is about 11868.8878585991. The cubic root of 140870499 is about 520.3233922798.

The spelling of 140870499 in words is "one hundred forty million, eight hundred seventy thousand, four hundred ninety-nine".