139069054554972 has 24 divisors (see below), whose sum is σ = 324534076833792. Its totient is φ = 46350692060400.

The previous prime is 139069054554869. The next prime is 139069054554973. The reversal of 139069054554972 is 279455450960931.

It is a junction number, because it is equal to n+sod(n) for n = 139069054554897 and 139069054554906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139069054554973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707329854 + ... + 707526437.

It is an arithmetic number, because the mean of its divisors is an integer number (13522253201408).

Almost surely, 2^{139069054554972} is an apocalyptic number.

139069054554972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139069054554972 is an abundant number, since it is smaller than the sum of its proper divisors (185465022278820).

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

139069054554972 is a wasteful number, since it uses less digits than its factorization.

139069054554972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414864489 (or 1414864487 counting only the distinct ones).

The product of its (nonzero) digits is 367416000, while the sum is 69.

The spelling of 139069054554972 in words is "one hundred thirty-nine trillion, sixty-nine billion, fifty-four million, five hundred fifty-four thousand, nine hundred seventy-two".