13531135504 has 20 divisors (see below), whose sum is σ = 26230424940. Its totient is φ = 6761993600.

The previous prime is 13531135489. The next prime is 13531135523. The reversal of 13531135504 is 40553113531.

It can be written as a sum of positive squares in 2 ways, for example, as 2056441104 + 11474694400 = 45348^2 + 107120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192019 + ... + 252850.

It is an arithmetic number, because the mean of its divisors is an integer number (1311521247).

Almost surely, 2^13531135504 is an apocalyptic number.

It is an amenable number.

13531135504 is a deficient number, since it is larger than the sum of its proper divisors (12699289436).

13531135504 is a wasteful number, since it uses less digits than its factorization.

13531135504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446778 (or 446772 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 13531135504 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-five thousand, five hundred four".