139577904 has 50 divisors (see below), whose sum is σ = 403982700. Its totient is φ = 46525536.

The previous prime is 139577891. The next prime is 139577909. The reversal of 139577904 is 409775931.

It is a self number, because there is not a number n which added to its sum of digits gives 139577904.

It is not an unprimeable number, because it can be changed into a prime (139577909) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52554 + ... + 55145.

It is an arithmetic number, because the mean of its divisors is an integer number (8079654).

Almost surely, 2^139577904 is an apocalyptic number.

It is an amenable number.

139577904 is an abundant number, since it is smaller than the sum of its proper divisors (264404796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139577904 is a wasteful number, since it uses less digits than its factorization.

139577904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107719 (or 107704 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 139577904 is about 11814.3092900093. The cubic root of 139577904 is about 518.7270441480.

The spelling of 139577904 in words is "one hundred thirty-nine million, five hundred seventy-seven thousand, nine hundred four".