139880405952 has 140 divisors (see below), whose sum is σ = 473885087280. Its totient is φ = 39965819904.

The previous prime is 139880405909. The next prime is 139880405953. The reversal of 139880405952 is 259504088931.

139880405952 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 8 + 0 + 40 + 595 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139880405953) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1891077 + ... + 1963652.

Almost surely, 2^139880405952 is an apocalyptic number.

139880405952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139880405952 is an abundant number, since it is smaller than the sum of its proper divisors (334004681328).

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

139880405952 is an equidigital number, since it uses as much as digits as its factorization.

139880405952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854760 (or 3854741 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 139880405952 in words is "one hundred thirty-nine billion, eight hundred eighty million, four hundred five thousand, nine hundred fifty-two".