9439318136 has 16 divisors (see below), whose sum is σ = 18739823040. Its totient is φ = 4442032000.

The previous prime is 9439318127. The next prime is 9439318177. The reversal of 9439318136 is 6318139349.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34703240 + ... + 34703511.

It is an arithmetic number, because the mean of its divisors is an integer number (1171238940).

Almost surely, 2^9439318136 is an apocalyptic number.

It is an amenable number.

9439318136 is a deficient number, since it is larger than the sum of its proper divisors (9300504904).

9439318136 is a wasteful number, since it uses less digits than its factorization.

9439318136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69406774 (or 69406770 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 9439318136 is about 97156.1533614830. The cubic root of 9439318136 is about 2113.3927236597.

The spelling of 9439318136 in words is "nine billion, four hundred thirty-nine million, three hundred eighteen thousand, one hundred thirty-six".