13089844136 has 32 divisors (see below), whose sum is σ = 25028050080. Its totient is φ = 6416625600.

The previous prime is 13089844099. The next prime is 13089844139. The reversal of 13089844136 is 63144898031.

It is not an unprimeable number, because it can be changed into a prime (13089844139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55226 + ... + 170966.

It is an arithmetic number, because the mean of its divisors is an integer number (782126565).

Almost surely, 2^13089844136 is an apocalyptic number.

It is an amenable number.

13089844136 is a deficient number, since it is larger than the sum of its proper divisors (11938205944).

13089844136 is a wasteful number, since it uses less digits than its factorization.

13089844136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116025 (or 116021 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 13089844136 in words is "thirteen billion, eighty-nine million, eight hundred forty-four thousand, one hundred thirty-six".