8313504138 has 12 divisors (see below), whose sum is σ = 18012592338. Its totient is φ = 2771168040.

The previous prime is 8313504119. The next prime is 8313504139. The reversal of 8313504138 is 8314053138.

8313504138 is a `hidden beast` number, since 8 + 3 + 13 + 504 + 138 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8311421889 + 2082249 = 91167^2 + 1443^2 .

It is a super-2 number, since 2×8313504138² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8313504139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230930653 + ... + 230930688.

Almost surely, 2^8313504138 is an apocalyptic number.

8313504138 is an abundant number, since it is smaller than the sum of its proper divisors (9699088200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8313504138 is a wasteful number, since it uses less digits than its factorization.

8313504138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461861349 (or 461861346 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8313504138 is about 91178.4192558744. The cubic root of 8313504138 is about 2025.7913190815.

The spelling of 8313504138 in words is "eight billion, three hundred thirteen million, five hundred four thousand, one hundred thirty-eight".