13568931000 has 128 divisors (see below), whose sum is σ = 47039054400. Its totient is φ = 3618374400.

The previous prime is 13568930989. The next prime is 13568931023. The reversal of 13568931000 is 13986531.

It is a happy number.

13568931000 is a `hidden beast` number, since 1 + 3 + 568 + 93 + 1 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×13568931000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224277 + ... + 278276.

Almost surely, 2^13568931000 is an apocalyptic number.

13568931000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13568931000 is an abundant number, since it is smaller than the sum of its proper divisors (33470123400).

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

13568931000 is a wasteful number, since it uses less digits than its factorization.

13568931000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502583 (or 502563 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 13568931000 in words is "thirteen billion, five hundred sixty-eight million, nine hundred thirty-one thousand".