2139556135156 has 48 divisors (see below), whose sum is σ = 4225706029440. Its totient is φ = 938934523520.

The previous prime is 2139556135091. The next prime is 2139556135183. The reversal of 2139556135156 is 6515316559312.

It is a super-3 number, since 3×2139556135156³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27467841 + ... + 27545623.

It is an arithmetic number, because the mean of its divisors is an integer number (88035542280).

Almost surely, 2^{2139556135156} is an apocalyptic number.

It is an amenable number.

2139556135156 is a deficient number, since it is larger than the sum of its proper divisors (2086149894284).

2139556135156 is a wasteful number, since it uses less digits than its factorization.

2139556135156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99384 (or 99382 counting only the distinct ones).

The product of its digits is 3645000, while the sum is 52.

The spelling of 2139556135156 in words is "two trillion, one hundred thirty-nine billion, five hundred fifty-six million, one hundred thirty-five thousand, one hundred fifty-six".