2139511370 has 32 divisors (see below), whose sum is σ = 4080181248. Its totient is φ = 804964608.

The previous prime is 2139511357. The next prime is 2139511391. The reversal of 2139511370 is 731159312.

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 15 ways as a sum of consecutive naturals, for example, 386039 + ... + 391541.

It is an arithmetic number, because the mean of its divisors is an integer number (127505664).

Almost surely, 2^2139511370 is an apocalyptic number.

2139511370 is a deficient number, since it is larger than the sum of its proper divisors (1940669878).

2139511370 is a wasteful number, since it uses less digits than its factorization.

2139511370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2139511370 is about 46254.8523941002. The cubic root of 2139511370 is about 1288.5606544965.

The spelling of 2139511370 in words is "two billion, one hundred thirty-nine million, five hundred eleven thousand, three hundred seventy".