13139060956 has 48 divisors (see below), whose sum is σ = 28553512960. Its totient is φ = 5162564160.

The previous prime is 13139060939. The next prime is 13139060959. The reversal of 13139060956 is 65906093131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13139060959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381855 + ... + 414838.

Almost surely, 2^13139060956 is an apocalyptic number.

It is an amenable number.

13139060956 is an abundant number, since it is smaller than the sum of its proper divisors (15414452004).

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

13139060956 is a wasteful number, since it uses less digits than its factorization.

13139060956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796754 (or 796752 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 13139060956 in words is "thirteen billion, one hundred thirty-nine million, sixty thousand, nine hundred fifty-six".