8907138 has 32 divisors (see below), whose sum is σ = 19897920. Its totient is φ = 2953440.

The previous prime is 8907113. The next prime is 8907161. The reversal of 8907138 is 8317098.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14881 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (621810).

Almost surely, 2^8907138 is an apocalyptic number.

8907138 is an abundant number, since it is smaller than the sum of its proper divisors (10990782).

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

8907138 is a wasteful number, since it uses less digits than its factorization.

8907138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8907138 is about 2984.4828697783. The cubic root of 8907138 is about 207.2904974062.

It can be divided in two parts, 8907 and 138, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8907138 in words is "eight million, nine hundred seven thousand, one hundred thirty-eight".