139553396944 has 80 divisors (see below), whose sum is σ = 294791132160. Its totient is φ = 63612933120.

The previous prime is 139553396921. The next prime is 139553396953. The reversal of 139553396944 is 449693355931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18341589 + ... + 18349195.

It is an arithmetic number, because the mean of its divisors is an integer number (3684889152).

Almost surely, 2^139553396944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139553396944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147395566080).

139553396944 is an abundant number, since it is smaller than the sum of its proper divisors (155237735216).

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

139553396944 is a wasteful number, since it uses less digits than its factorization.

139553396944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708 (or 8702 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 61.

The spelling of 139553396944 in words is "one hundred thirty-nine billion, five hundred fifty-three million, three hundred ninety-six thousand, nine hundred forty-four".