9432139056 has 20 divisors (see below), whose sum is σ = 24366359352. Its totient is φ = 3144046336.

The previous prime is 9432139033. The next prime is 9432139061. The reversal of 9432139056 is 6509312349.

It is a happy number.

It is a super-2 number, since 2×9432139056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9432138999 and 9432139017.

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, 98251401 + ... + 98251496.

Almost surely, 2^9432139056 is an apocalyptic number.

It is an amenable number.

9432139056 is an abundant number, since it is smaller than the sum of its proper divisors (14934220296).

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

9432139056 is a wasteful number, since it uses less digits than its factorization.

9432139056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196502908 (or 196502902 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 9432139056 is about 97119.2002438241. The cubic root of 9432139056 is about 2112.8568070022.

The spelling of 9432139056 in words is "nine billion, four hundred thirty-two million, one hundred thirty-nine thousand, fifty-six".