139991737094544 has 20 divisors (see below), whose sum is σ = 361645320827696. Its totient is φ = 46663912364832.

The previous prime is 139991737094519. The next prime is 139991737094581. The reversal of 139991737094544 is 445490737199931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458247261354 + ... + 1458247261449.

Almost surely, 2^{139991737094544} is an apocalyptic number.

It is an amenable number.

139991737094544 is an abundant number, since it is smaller than the sum of its proper divisors (221653583733152).

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

139991737094544 is a wasteful number, since it uses less digits than its factorization.

139991737094544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916494522814 (or 2916494522808 counting only the distinct ones).

The product of its (nonzero) digits is 925888320, while the sum is 75.

The spelling of 139991737094544 in words is "one hundred thirty-nine trillion, nine hundred ninety-one billion, seven hundred thirty-seven million, ninety-four thousand, five hundred forty-four".