13437531156 has 48 divisors (see below), whose sum is σ = 36420863360. Its totient is φ = 3776353920.

The previous prime is 13437531127. The next prime is 13437531167. The reversal of 13437531156 is 65113573431.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1306111 + ... + 1316358.

Almost surely, 2^13437531156 is an apocalyptic number.

It is an amenable number.

13437531156 is an abundant number, since it is smaller than the sum of its proper divisors (22983332204).

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

13437531156 is a wasteful number, since it uses less digits than its factorization.

13437531156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622544 (or 2622542 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The spelling of 13437531156 in words is "thirteen billion, four hundred thirty-seven million, five hundred thirty-one thousand, one hundred fifty-six".