13406831233156 has 81 divisors (see below), whose sum is σ = 24610274584623. Its totient is φ = 6390402059520.

The previous prime is 13406831233129. The next prime is 13406831233181. The reversal of 13406831233156 is 65133213860431.

The square root of 13406831233156 is 3661534.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3079709108100 + 10327122125056 = 1754910^2 + 3213584^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16572102480 + ... + 16572103288.

Almost surely, 2^{13406831233156} is an apocalyptic number.

13406831233156 is the 3661534-th square number.

It is an amenable number.

13406831233156 is a deficient number, since it is larger than the sum of its proper divisors (11203443351467).

13406831233156 is an frugal number, since it uses more digits than its factorization.

13406831233156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 13406831233156 in words is "thirteen trillion, four hundred six billion, eight hundred thirty-one million, two hundred thirty-three thousand, one hundred fifty-six".