13239390156 has 24 divisors (see below), whose sum is σ = 30953832000. Its totient is φ = 4404284112.

The previous prime is 13239390139. The next prime is 13239390179. The reversal of 13239390156 is 65109393231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099506 + ... + 1111481.

It is an arithmetic number, because the mean of its divisors is an integer number (1289743000).

Almost surely, 2^13239390156 is an apocalyptic number.

It is an amenable number.

13239390156 is an abundant number, since it is smaller than the sum of its proper divisors (17714441844).

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

13239390156 is a wasteful number, since it uses less digits than its factorization.

13239390156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211493 (or 2211491 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The spelling of 13239390156 in words is "thirteen billion, two hundred thirty-nine million, three hundred ninety thousand, one hundred fifty-six".