13134568668 has 48 divisors (see below), whose sum is σ = 33245778720. Its totient is φ = 4011899904.

The previous prime is 13134568637. The next prime is 13134568687. The reversal of 13134568668 is 86686543131.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13134568668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285913 + ... + 328656.

It is an arithmetic number, because the mean of its divisors is an integer number (692620390).

Almost surely, 2^13134568668 is an apocalyptic number.

It is an amenable number.

13134568668 is an abundant number, since it is smaller than the sum of its proper divisors (20111210052).

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

13134568668 is a wasteful number, since it uses less digits than its factorization.

13134568668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614726 (or 614724 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 13134568668 in words is "thirteen billion, one hundred thirty-four million, five hundred sixty-eight thousand, six hundred sixty-eight".