139850680712 has 36 divisors (see below), whose sum is σ = 264866141295. Its totient is φ = 69226705728.

The previous prime is 139850680703. The next prime is 139850680741. The reversal of 139850680712 is 217086058931.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

139850680712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 21799341316 + 118051339396 = 147646^2 + 343586^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=264434.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115292618 + ... + 115293830.

Almost surely, 2^139850680712 is an apocalyptic number.

It is an amenable number.

139850680712 is a deficient number, since it is larger than the sum of its proper divisors (125015460583).

139850680712 is an frugal number, since it uses more digits than its factorization.

139850680712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

Multiplying 139850680712 by its sum of digits (50), we get a square (6992534035600 = 2644340²).

The spelling of 139850680712 in words is "one hundred thirty-nine billion, eight hundred fifty million, six hundred eighty thousand, seven hundred twelve".