7165113138 has 24 divisors (see below), whose sum is σ = 15526038528. Its totient is φ = 2388120792.

The previous prime is 7165113133. The next prime is 7165113169. The reversal of 7165113138 is 8313115617.

7165113138 is a `hidden beast` number, since 7 + 1 + 6 + 511 + 3 + 138 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7165113133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252631 + ... + 279557.

It is an arithmetic number, because the mean of its divisors is an integer number (646918272).

Almost surely, 2^7165113138 is an apocalyptic number.

7165113138 is an abundant number, since it is smaller than the sum of its proper divisors (8360925390).

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

7165113138 is a wasteful number, since it uses less digits than its factorization.

7165113138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41718 (or 41715 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 7165113138 is about 84646.9913109734. The cubic root of 7165113138 is about 1927.8549317871.

The spelling of 7165113138 in words is "seven billion, one hundred sixty-five million, one hundred thirteen thousand, one hundred thirty-eight".