8700138 has 24 divisors (see below), whose sum is σ = 19843200. Its totient is φ = 2747304.

The previous prime is 8700121. The next prime is 8700161. The reversal of 8700138 is 8310078.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12378 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (826800).

Almost surely, 2^8700138 is an apocalyptic number.

8700138 is an abundant number, since it is smaller than the sum of its proper divisors (11143062).

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

8700138 is a wasteful number, since it uses less digits than its factorization.

8700138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466 (or 25463 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 8700138 is about 2949.5996338486. The cubic root of 8700138 is about 205.6720990708.

The spelling of 8700138 in words is "eight million, seven hundred thousand, one hundred thirty-eight".