15139900904 has 16 divisors (see below), whose sum is σ = 28415352420. Its totient is φ = 7562473600.

The previous prime is 15139900883. The next prime is 15139900939. The reversal of 15139900904 is 40900993151.

It can be written as a sum of positive squares in 2 ways, for example, as 14847422500 + 292478404 = 121850^2 + 17102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925997 + ... + 942204.

Almost surely, 2^15139900904 is an apocalyptic number.

It is an amenable number.

15139900904 is a deficient number, since it is larger than the sum of its proper divisors (13275451516).

15139900904 is a wasteful number, since it uses less digits than its factorization.

15139900904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869220 (or 1869216 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 41.

The spelling of 15139900904 in words is "fifteen billion, one hundred thirty-nine million, nine hundred thousand, nine hundred four".