2139513260 has 12 divisors (see below), whose sum is σ = 4492977888. Its totient is φ = 855805296.

The previous prime is 2139513241. The next prime is 2139513281. The reversal of 2139513260 is 623159312.

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 3 ways as a sum of consecutive naturals, for example, 53487812 + ... + 53487851.

It is an arithmetic number, because the mean of its divisors is an integer number (374414824).

Almost surely, 2^2139513260 is an apocalyptic number.

2139513260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139513260 is an abundant number, since it is smaller than the sum of its proper divisors (2353464628).

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

2139513260 is a wasteful number, since it uses less digits than its factorization.

2139513260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106975672 (or 106975670 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2139513260 is about 46254.8728243847. The cubic root of 2139513260 is about 1288.5610339257.

The spelling of 2139513260 in words is "two billion, one hundred thirty-nine million, five hundred thirteen thousand, two hundred sixty".