139036044917 has 32 divisors (see below), whose sum is σ = 179159040000. Its totient is φ = 104713891200.

The previous prime is 139036044907. The next prime is 139036044941. The reversal of 139036044917 is 719440630931.

It is a cyclic number.

It is not a de Polignac number, because 139036044917 - 2²² = 139031850613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139036044907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1895084 + ... + 1967082.

It is an arithmetic number, because the mean of its divisors is an integer number (5598720000).

Almost surely, 2^139036044917 is an apocalyptic number.

It is an amenable number.

139036044917 is a deficient number, since it is larger than the sum of its proper divisors (40122995083).

139036044917 is a wasteful number, since it uses less digits than its factorization.

139036044917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72857.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 139036044917 in words is "one hundred thirty-nine billion, thirty-six million, forty-four thousand, nine hundred seventeen".