139318971726 has 32 divisors (see below), whose sum is σ = 304633870848. Its totient is φ = 42125480640.

The previous prime is 139318971697. The next prime is 139318971763. The reversal of 139318971726 is 627179813931.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2279350 + ... + 2339673.

It is an arithmetic number, because the mean of its divisors is an integer number (9519808464).

Almost surely, 2^139318971726 is an apocalyptic number.

139318971726 is an abundant number, since it is smaller than the sum of its proper divisors (165314899122).

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

139318971726 is a wasteful number, since it uses less digits than its factorization.

139318971726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619496.

The product of its digits is 3429216, while the sum is 57.

The spelling of 139318971726 in words is "one hundred thirty-nine billion, three hundred eighteen million, nine hundred seventy-one thousand, seven hundred twenty-six".