8325638139 has 192 divisors, whose sum is σ = 15381135360. Its totient is φ = 3906040320.

The previous prime is 8325638117. The next prime is 8325638143. The reversal of 8325638139 is 9318365238.

It is a happy number.

It is not a de Polignac number, because 8325638139 - 2⁵ = 8325638107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8325638639) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 117262474 + ... + 117262544.

It is an arithmetic number, because the mean of its divisors is an integer number (80110080).

Almost surely, 2^8325638139 is an apocalyptic number.

8325638139 is a deficient number, since it is larger than the sum of its proper divisors (7055497221).

8325638139 is a wasteful number, since it uses less digits than its factorization.

8325638139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 197 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 8325638139 is about 91244.9348676407. The cubic root of 8325638139 is about 2026.7764233208.

The spelling of 8325638139 in words is "eight billion, three hundred twenty-five million, six hundred thirty-eight thousand, one hundred thirty-nine".