9135868 has 36 divisors (see below), whose sum is σ = 19426960. Its totient is φ = 3681792.

The previous prime is 9135859. The next prime is 9135881. The reversal of 9135868 is 8685319.

It is a happy number.

It is a super-2 number, since 2×9135868² = 166928168226848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9135868.

It is a congruent number.

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, 7528 + ... + 8656.

Almost surely, 2^9135868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9135868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9713480).

9135868 is an abundant number, since it is smaller than the sum of its proper divisors (10291092).

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

9135868 is a wasteful number, since it uses less digits than its factorization.

9135868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1155 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 9135868 is about 3022.5598422529. The cubic root of 9135868 is about 209.0498877422.

The spelling of 9135868 in words is "nine million, one hundred thirty-five thousand, eight hundred sixty-eight".