2115708136 has 16 divisors (see below), whose sum is σ = 3992222340. Its totient is φ = 1051115520.

The previous prime is 2115708131. The next prime is 2115708139. The reversal of 2115708136 is 6318075112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2115448036 + 260100 = 45994^2 + 510^2 .

It is not an unprimeable number, because it can be changed into a prime (2115708131) 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, 840985 + ... + 843496.

Almost surely, 2^2115708136 is an apocalyptic number.

It is an amenable number.

2115708136 is a deficient number, since it is larger than the sum of its proper divisors (1876514204).

2115708136 is a wasteful number, since it uses less digits than its factorization.

2115708136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684644 (or 1684640 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 2115708136 is about 45996.8274558148. The cubic root of 2115708136 is about 1283.7641751403.

The spelling of 2115708136 in words is "two billion, one hundred fifteen million, seven hundred eight thousand, one hundred thirty-six".