139097694212 has 24 divisors (see below), whose sum is σ = 244682558400. Its totient is φ = 69188502240.

The previous prime is 139097694179. The next prime is 139097694277. The reversal of 139097694212 is 212496790931.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8023778 + ... + 8041094.

It is an arithmetic number, because the mean of its divisors is an integer number (10195106600).

Almost surely, 2^139097694212 is an apocalyptic number.

It is an amenable number.

139097694212 is a deficient number, since it is larger than the sum of its proper divisors (105584864188).

139097694212 is a wasteful number, since it uses less digits than its factorization.

139097694212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27611 (or 27609 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 139097694212 in words is "one hundred thirty-nine billion, ninety-seven million, six hundred ninety-four thousand, two hundred twelve".