2160772139 has 4 divisors (see below), whose sum is σ = 2219171424. Its totient is φ = 2102372856.

The previous prime is 2160772129. The next prime is 2160772183. The reversal of 2160772139 is 9312770612.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2160772139 - 2⁸ = 2160771883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160772109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29199587 + ... + 29199660.

It is an arithmetic number, because the mean of its divisors is an integer number (554792856).

Almost surely, 2^2160772139 is an apocalyptic number.

2160772139 is a deficient number, since it is larger than the sum of its proper divisors (58399285).

2160772139 is an equidigital number, since it uses as much as digits as its factorization.

2160772139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58399284.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2160772139 is about 46484.1063052738. The cubic root of 2160772139 is about 1292.8148255808.

The spelling of 2160772139 in words is "two billion, one hundred sixty million, seven hundred seventy-two thousand, one hundred thirty-nine".