8368918137 has 20 divisors (see below), whose sum is σ = 12652350480. Its totient is φ = 5512054104.

The previous prime is 8368918099. The next prime is 8368918139. The reversal of 8368918137 is 7318198638.

It is not a de Polignac number, because 8368918137 - 2¹¹ = 8368916089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8368918139) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 615687 + ... + 629132.

It is an arithmetic number, because the mean of its divisors is an integer number (632617524).

Almost surely, 2^8368918137 is an apocalyptic number.

It is an amenable number.

8368918137 is a deficient number, since it is larger than the sum of its proper divisors (4283432343).

8368918137 is a wasteful number, since it uses less digits than its factorization.

8368918137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244914 (or 1244905 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 8368918137 is about 91481.7912865724. The cubic root of 8368918137 is about 2030.2823534876.

The spelling of 8368918137 in words is "eight billion, three hundred sixty-eight million, nine hundred eighteen thousand, one hundred thirty-seven".