139964244564 has 24 divisors (see below), whose sum is σ = 329635420128. Its totient is φ = 46218722080.

The previous prime is 139964244527. The next prime is 139964244611. The reversal of 139964244564 is 465442469931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54501927 + ... + 54504494.

It is an arithmetic number, because the mean of its divisors is an integer number (13734809172).

Almost surely, 2^139964244564 is an apocalyptic number.

It is an amenable number.

139964244564 is an abundant number, since it is smaller than the sum of its proper divisors (189671175564).

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

139964244564 is a wasteful number, since it uses less digits than its factorization.

139964244564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109006535 (or 109006533 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 57.

The spelling of 139964244564 in words is "one hundred thirty-nine billion, nine hundred sixty-four million, two hundred forty-four thousand, five hundred sixty-four".