13145564696 has 32 divisors (see below), whose sum is σ = 26893717200. Its totient is φ = 5974131840.

The previous prime is 13145564681. The next prime is 13145564743. The reversal of 13145564696 is 69646554131.

It is a congruent number.

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, 615086 + ... + 636098.

Almost surely, 2^13145564696 is an apocalyptic number.

It is an amenable number.

13145564696 is an abundant number, since it is smaller than the sum of its proper divisors (13748152504).

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

13145564696 is a wasteful number, since it uses less digits than its factorization.

13145564696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139 (or 28135 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The spelling of 13145564696 in words is "thirteen billion, one hundred forty-five million, five hundred sixty-four thousand, six hundred ninety-six".