9138383732 has 24 divisors (see below), whose sum is σ = 16538683392. Its totient is φ = 4413592800.

The previous prime is 9138383689. The next prime is 9138383767. The reversal of 9138383732 is 2373838319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 135195.

It is an arithmetic number, because the mean of its divisors is an integer number (689111808).

Almost surely, 2^9138383732 is an apocalyptic number.

It is an amenable number.

9138383732 is a deficient number, since it is larger than the sum of its proper divisors (7400299660).

9138383732 is a wasteful number, since it uses less digits than its factorization.

9138383732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136799 (or 136797 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 9138383732 is about 95594.8938594526. The cubic root of 9138383732 is about 2090.6907457908.

The spelling of 9138383732 in words is "nine billion, one hundred thirty-eight million, three hundred eighty-three thousand, seven hundred thirty-two".