13136353644 has 48 divisors (see below), whose sum is σ = 30781644768. Its totient is φ = 4360232448.

The previous prime is 13136353613. The next prime is 13136353651. The reversal of 13136353644 is 44635363131.

It is a happy 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, 3223192 + ... + 3227264.

It is an arithmetic number, because the mean of its divisors is an integer number (641284266).

Almost surely, 2^13136353644 is an apocalyptic number.

It is an amenable number.

13136353644 is an abundant number, since it is smaller than the sum of its proper divisors (17645291124).

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

13136353644 is a wasteful number, since it uses less digits than its factorization.

13136353644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154 (or 5152 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The spelling of 13136353644 in words is "thirteen billion, one hundred thirty-six million, three hundred fifty-three thousand, six hundred forty-four".