9138425536 has 14 divisors (see below), whose sum is σ = 18134063300. Its totient is φ = 4569212736.

The previous prime is 9138425533. The next prime is 9138425587. The reversal of 9138425536 is 6355248319.

It is not an unprimeable number, because it can be changed into a prime (9138425533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71393886 + ... + 71394013.

Almost surely, 2^9138425536 is an apocalyptic number.

It is an amenable number.

9138425536 is a deficient number, since it is larger than the sum of its proper divisors (8995637764).

9138425536 is a wasteful number, since it uses less digits than its factorization.

9138425536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142787911 (or 142787901 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 9138425536 is about 95595.1125110484. The cubic root of 9138425536 is about 2090.6939337763.

The spelling of 9138425536 in words is "nine billion, one hundred thirty-eight million, four hundred twenty-five thousand, five hundred thirty-six".