139317225318 has 64 divisors (see below), whose sum is σ = 331785745920. Its totient is φ = 43219430496.

The previous prime is 139317225263. The next prime is 139317225323. The reversal of 139317225318 is 813522713931.

139317225318 is a `hidden beast` number, since 1 + 3 + 93 + 1 + 7 + 22 + 531 + 8 = 666.

It is a super-2 number, since 2×139317225318² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469880 + ... + 1561787.

It is an arithmetic number, because the mean of its divisors is an integer number (5184152280).

Almost surely, 2^139317225318 is an apocalyptic number.

139317225318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

139317225318 is an abundant number, since it is smaller than the sum of its proper divisors (192468520602).

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

139317225318 is a wasteful number, since it uses less digits than its factorization.

139317225318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031738 (or 3031732 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 139317225318 in words is "one hundred thirty-nine billion, three hundred seventeen million, two hundred twenty-five thousand, three hundred eighteen".