2139613374 has 32 divisors (see below), whose sum is σ = 4308825600. Its totient is φ = 708285600.

The previous prime is 2139613277. The next prime is 2139613379. The reversal of 2139613374 is 4733169312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139613379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787879 + ... + 790589.

It is an arithmetic number, because the mean of its divisors is an integer number (134650800).

Almost surely, 2^2139613374 is an apocalyptic number.

2139613374 is an abundant number, since it is smaller than the sum of its proper divisors (2169212226).

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

2139613374 is a wasteful number, since it uses less digits than its factorization.

2139613374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its digits is 81648, while the sum is 39.

The square root of 2139613374 is about 46255.9550112199. The cubic root of 2139613374 is about 1288.5811321087.

The spelling of 2139613374 in words is "two billion, one hundred thirty-nine million, six hundred thirteen thousand, three hundred seventy-four".