139988251391472 has 80 divisors (see below), whose sum is σ = 438347049826560. Its totient is φ = 42420682238400.

The previous prime is 139988251391437. The next prime is 139988251391501. The reversal of 139988251391472 is 274193152889931.

It is a happy number.

139988251391472 is a `hidden beast` number, since 1 + 3 + 9 + 98 + 8 + 2 + 513 + 9 + 14 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 139988251391472.

It is a congruent number.

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, 14729398804 + ... + 14729408307.

It is an arithmetic number, because the mean of its divisors is an integer number (5479338122832).

Almost surely, 2^{139988251391472} is an apocalyptic number.

139988251391472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139988251391472 is an abundant number, since it is smaller than the sum of its proper divisors (298358798435088).

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

139988251391472 is a wasteful number, since it uses less digits than its factorization.

139988251391472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29458807139 (or 29458807127 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 72.

The spelling of 139988251391472 in words is "one hundred thirty-nine trillion, nine hundred eighty-eight billion, two hundred fifty-one million, three hundred ninety-one thousand, four hundred seventy-two".