139331985984 has 189 divisors, whose sum is σ = 405973452339. Its totient is φ = 45688492800.

The previous prime is 139331985979. The next prime is 139331986021. The reversal of 139331985984 is 489589133931.

The square root of 139331985984 is 373272.

It is a perfect power (a square), and thus also a powerful number.

139331985984 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 31 + 9 + 8 + 598 + 4 = 666.

139331985984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 922728309 + ... + 922728459.

Almost surely, 2^139331985984 is an apocalyptic number.

139331985984 is the 373272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139331985984

139331985984 is an abundant number, since it is smaller than the sum of its proper divisors (266641466355).

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

139331985984 is an equidigital number, since it uses as much as digits as its factorization.

139331985984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 259 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 139331985984 in words is "one hundred thirty-nine billion, three hundred thirty-one million, nine hundred eighty-five thousand, nine hundred eighty-four".