13531124136 has 32 divisors (see below), whose sum is σ = 34235379360. Its totient is φ = 4456032192.

The previous prime is 13531124129. The next prime is 13531124141. The reversal of 13531124136 is 63142113531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394375 + ... + 3398358.

It is an arithmetic number, because the mean of its divisors is an integer number (1069855605).

Almost surely, 2^13531124136 is an apocalyptic number.

It is an amenable number.

13531124136 is an abundant number, since it is smaller than the sum of its proper divisors (20704255224).

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

13531124136 is a wasteful number, since it uses less digits than its factorization.

13531124136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792825 (or 6792821 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

Adding to 13531124136 its reverse (63142113531), we get a palindrome (76673237667).

The spelling of 13531124136 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-four thousand, one hundred thirty-six".