8655138 has 24 divisors (see below), whose sum is σ = 19358976. Its totient is φ = 2791800.

The previous prime is 8655103. The next prime is 8655149. The reversal of 8655138 is 8315568.

It is a super-2 number, since 2×8655138² = 149822827598088, which contains 22 as substring.

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, 7198 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (806624).

Almost surely, 2^8655138 is an apocalyptic number.

8655138 is an abundant number, since it is smaller than the sum of its proper divisors (10703838).

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

8655138 is a wasteful number, since it uses less digits than its factorization.

8655138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15550 (or 15547 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 8655138 is about 2941.9615905039. The cubic root of 8655138 is about 205.3168844931.

The spelling of 8655138 in words is "eight million, six hundred fifty-five thousand, one hundred thirty-eight".