101239138792 has 64 divisors (see below), whose sum is σ = 210095726400. Its totient is φ = 45352496640.

The previous prime is 101239138787. The next prime is 101239138807. The reversal of 101239138792 is 297831932101.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645578 + ... + 1705990.

It is an arithmetic number, because the mean of its divisors is an integer number (3282745725).

Almost surely, 2^101239138792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101239138792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105047863200).

101239138792 is an abundant number, since it is smaller than the sum of its proper divisors (108856587608).

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

101239138792 is a wasteful number, since it uses less digits than its factorization.

101239138792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60706 (or 60702 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 101239138792 in words is "one hundred one billion, two hundred thirty-nine million, one hundred thirty-eight thousand, seven hundred ninety-two".