2131637828 has 12 divisors (see below), whose sum is σ = 3782907072. Its totient is φ = 1050807240.

The previous prime is 2131637819. The next prime is 2131637867. The reversal of 2131637828 is 8287361312.

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, 3752600 + ... + 3753167.

It is an arithmetic number, because the mean of its divisors is an integer number (315242256).

Almost surely, 2^2131637828 is an apocalyptic number.

It is an amenable number.

2131637828 is a deficient number, since it is larger than the sum of its proper divisors (1651269244).

2131637828 is a wasteful number, since it uses less digits than its factorization.

2131637828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505842 (or 7505840 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 2131637828 is about 46169.6635032139. The cubic root of 2131637828 is about 1286.9780490015.

The spelling of 2131637828 in words is "two billion, one hundred thirty-one million, six hundred thirty-seven thousand, eight hundred twenty-eight".