9138526936 has 96 divisors (see below), whose sum is σ = 22791071520. Its totient is φ = 3350983680.

The previous prime is 9138526931. The next prime is 9138526949. The reversal of 9138526936 is 6396258319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138526931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75526 + ... + 154858.

It is an arithmetic number, because the mean of its divisors is an integer number (237406995).

Almost surely, 2^9138526936 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 9138526936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11395535760).

9138526936 is an abundant number, since it is smaller than the sum of its proper divisors (13652544584).

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

9138526936 is a wasteful number, since it uses less digits than its factorization.

9138526936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79385 (or 79370 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 9138526936 is about 95595.6428714196. The cubic root of 9138526936 is about 2090.7016665299.

The spelling of 9138526936 in words is "nine billion, one hundred thirty-eight million, five hundred twenty-six thousand, nine hundred thirty-six".