2137128873 has 32 divisors (see below), whose sum is σ = 3284582400. Its totient is φ = 1222401600.

The previous prime is 2137128841. The next prime is 2137128887. The reversal of 2137128873 is 3788217312.

It is not a de Polignac number, because 2137128873 - 2⁵ = 2137128841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137128823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162328 + ... + 174998.

It is an arithmetic number, because the mean of its divisors is an integer number (102643200).

Almost surely, 2^2137128873 is an apocalyptic number.

It is an amenable number.

2137128873 is a deficient number, since it is larger than the sum of its proper divisors (1147453527).

2137128873 is a wasteful number, since it uses less digits than its factorization.

2137128873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973.

The product of its digits is 112896, while the sum is 42.

The square root of 2137128873 is about 46229.0911980757. The cubic root of 2137128873 is about 1288.0821757508.

The spelling of 2137128873 in words is "two billion, one hundred thirty-seven million, one hundred twenty-eight thousand, eight hundred seventy-three".