2139037855 has 16 divisors (see below), whose sum is σ = 2648679264. Its totient is φ = 1657285120.

The previous prime is 2139037843. The next prime is 2139037867. The reversal of 2139037855 is 5587309312.

It is an interprime number because it is at equal distance from previous prime (2139037843) and next prime (2139037867).

It is not a de Polignac number, because 2139037855 - 2¹¹ = 2139035807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9997 + ... + 66166.

It is an arithmetic number, because the mean of its divisors is an integer number (165542454).

Almost surely, 2^2139037855 is an apocalyptic number.

2139037855 is a deficient number, since it is larger than the sum of its proper divisors (509641409).

2139037855 is a wasteful number, since it uses less digits than its factorization.

2139037855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76346.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2139037855 is about 46249.7335668001. The cubic root of 2139037855 is about 1288.4655864006.

The spelling of 2139037855 in words is "two billion, one hundred thirty-nine million, thirty-seven thousand, eight hundred fifty-five".