139631067108 has 576 divisors, whose sum is σ = 430317619200. Its totient is φ = 39003793920.

The previous prime is 139631067097. The next prime is 139631067133. The reversal of 139631067108 is 801760136931.

139631067108 is a `hidden beast` number, since 1 + 3 + 9 + 631 + 0 + 6 + 7 + 1 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1304963191 + ... + 1304963297.

It is an arithmetic number, because the mean of its divisors is an integer number (747079200).

Almost surely, 2^139631067108 is an apocalyptic number.

139631067108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139631067108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215158809600).

139631067108 is an abundant number, since it is smaller than the sum of its proper divisors (290686552092).

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

139631067108 is a wasteful number, since it uses less digits than its factorization.

139631067108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 139631067108 in words is "one hundred thirty-nine billion, six hundred thirty-one million, sixty-seven thousand, one hundred eight".