139000736623 has 24 divisors (see below), whose sum is σ = 172196300000. Its totient is φ = 112134968064.

The previous prime is 139000736591. The next prime is 139000736659. The reversal of 139000736623 is 326637000931.

It is not a de Polignac number, because 139000736623 - 2⁵ = 139000736591 is a prime.

It is a super-2 number, since 2×139000736623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139000736323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 601998 + ... + 800251.

Almost surely, 2^139000736623 is an apocalyptic number.

139000736623 is a deficient number, since it is larger than the sum of its proper divisors (33195563377).

139000736623 is an equidigital number, since it uses as much as digits as its factorization.

139000736623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402304 (or 1402273 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 139000736623 in words is "one hundred thirty-nine billion, seven hundred thirty-six thousand, six hundred twenty-three".