13531182864 has 40 divisors (see below), whose sum is σ = 35028591360. Its totient is φ = 4500970368.

The previous prime is 13531182859. The next prime is 13531182883. The reversal of 13531182864 is 46828113531.

It is a happy 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, 271267 + ... + 317250.

It is an arithmetic number, because the mean of its divisors is an integer number (875714784).

Almost surely, 2^13531182864 is an apocalyptic number.

It is an amenable number.

13531182864 is an abundant number, since it is smaller than the sum of its proper divisors (21497408496).

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

13531182864 is a wasteful number, since it uses less digits than its factorization.

13531182864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589007 (or 589001 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The spelling of 13531182864 in words is "thirteen billion, five hundred thirty-one million, one hundred eighty-two thousand, eight hundred sixty-four".