2139095168 has 32 divisors (see below), whose sum is σ = 4870263360. Its totient is φ = 916754688.

The previous prime is 2139095111. The next prime is 2139095177. The reversal of 2139095168 is 8615909312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192796 + ... + 1194587.

It is an arithmetic number, because the mean of its divisors is an integer number (152195730).

Almost surely, 2^2139095168 is an apocalyptic number.

2139095168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2139095168 is an abundant number, since it is smaller than the sum of its proper divisors (2731168192).

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

2139095168 is an equidigital number, since it uses as much as digits as its factorization.

2139095168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387404 (or 2387392 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 2139095168 is about 46250.3531662192. The cubic root of 2139095168 is about 1288.4770939371.

The spelling of 2139095168 in words is "two billion, one hundred thirty-nine million, ninety-five thousand, one hundred sixty-eight".