13137009044 has 24 divisors (see below), whose sum is σ = 23686770408. Its totient is φ = 6372311040.

The previous prime is 13137009023. The next prime is 13137009101. The reversal of 13137009044 is 44090073131.

It can be written as a sum of positive squares in 4 ways, for example, as 320052100 + 12816956944 = 17890^2 + 113212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13137009044.

It is a congruent number.

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, 350957 + ... + 386580.

It is an arithmetic number, because the mean of its divisors is an integer number (986948767).

Almost surely, 2^13137009044 is an apocalyptic number.

It is an amenable number.

13137009044 is a deficient number, since it is larger than the sum of its proper divisors (10549761364).

13137009044 is a wasteful number, since it uses less digits than its factorization.

13137009044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737675 (or 737673 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 13137009044 in words is "thirteen billion, one hundred thirty-seven million, nine thousand, forty-four".