139290638697 has 96 divisors (see below), whose sum is σ = 240277340160. Its totient is φ = 76106096640.

The previous prime is 139290638689. The next prime is 139290638701. The reversal of 139290638697 is 796836092931.

It is not a de Polignac number, because 139290638697 - 2³ = 139290638689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (139290638497) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41074872 + ... + 41078262.

It is an arithmetic number, because the mean of its divisors is an integer number (2502888960).

Almost surely, 2^139290638697 is an apocalyptic number.

It is an amenable number.

139290638697 is a deficient number, since it is larger than the sum of its proper divisors (100986701463).

139290638697 is a wasteful number, since it uses less digits than its factorization.

139290638697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 139290638697 in words is "one hundred thirty-nine billion, two hundred ninety million, six hundred thirty-eight thousand, six hundred ninety-seven".