8137170138 has 32 divisors (see below), whose sum is σ = 17004571776. Its totient is φ = 2590999488.

The previous prime is 8137170137. The next prime is 8137170157. The reversal of 8137170138 is 8310717318.

It is a junction number, because it is equal to n+sod(n) for n = 8137170096 and 8137170105.

It is not an unprimeable number, because it can be changed into a prime (8137170131) 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 15 ways as a sum of consecutive naturals, for example, 65520 + ... + 143412.

It is an arithmetic number, because the mean of its divisors is an integer number (531392868).

Almost surely, 2^8137170138 is an apocalyptic number.

8137170138 is an abundant number, since it is smaller than the sum of its proper divisors (8867401638).

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

8137170138 is a wasteful number, since it uses less digits than its factorization.

8137170138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78678.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 8137170138 is about 90206.2644055278. The cubic root of 8137170138 is about 2011.3661280353.

The spelling of 8137170138 in words is "eight billion, one hundred thirty-seven million, one hundred seventy thousand, one hundred thirty-eight".