13775138764 has 24 divisors (see below), whose sum is σ = 24225072368. Its totient is φ = 6853766400.

The previous prime is 13775138753. The next prime is 13775138789. The reversal of 13775138764 is 46783157731.

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, 743299 + ... + 761605.

Almost surely, 2^13775138764 is an apocalyptic number.

It is an amenable number.

13775138764 is a deficient number, since it is larger than the sum of its proper divisors (10449933604).

13775138764 is a wasteful number, since it uses less digits than its factorization.

13775138764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225 (or 19223 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The spelling of 13775138764 in words is "thirteen billion, seven hundred seventy-five million, one hundred thirty-eight thousand, seven hundred sixty-four".