139805852592 has 80 divisors (see below), whose sum is σ = 434484373760. Its totient is φ = 37842183936.

The previous prime is 139805852591. The next prime is 139805852617. The reversal of 139805852592 is 295258508931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (139805852591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10943323 + ... + 10956090.

It is an arithmetic number, because the mean of its divisors is an integer number (5431054672).

Almost surely, 2^139805852592 is an apocalyptic number.

139805852592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139805852592 is an abundant number, since it is smaller than the sum of its proper divisors (294678521168).

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

139805852592 is a wasteful number, since it uses less digits than its factorization.

139805852592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21899450 (or 21899444 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 139805852592 in words is "one hundred thirty-nine billion, eight hundred five million, eight hundred fifty-two thousand, five hundred ninety-two".