13137453756 has 72 divisors (see below), whose sum is σ = 37989521024. Its totient is φ = 3749911200.

The previous prime is 13137453691. The next prime is 13137453767. The reversal of 13137453756 is 65735473131.

13137453756 is a `hidden beast` number, since 1 + 31 + 37 + 4 + 537 + 56 = 666.

13137453756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240051 + ... + 289653.

Almost surely, 2^13137453756 is an apocalyptic number.

It is an amenable number.

13137453756 is an abundant number, since it is smaller than the sum of its proper divisors (24852067268).

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

13137453756 is a wasteful number, since it uses less digits than its factorization.

13137453756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50671 (or 50666 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The spelling of 13137453756 in words is "thirteen billion, one hundred thirty-seven million, four hundred fifty-three thousand, seven hundred fifty-six".