139702397193 has 40 divisors (see below), whose sum is σ = 219723416000. Its totient is φ = 88213642272.

The previous prime is 139702397167. The next prime is 139702397281. The reversal of 139702397193 is 391793207931.

139702397193 is a `hidden beast` number, since 1 + 397 + 0 + 239 + 7 + 19 + 3 = 666.

It is not a de Polignac number, because 139702397193 - 2⁵ = 139702397161 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139702397143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10687980 + ... + 10701042.

It is an arithmetic number, because the mean of its divisors is an integer number (5493085400).

Almost surely, 2^139702397193 is an apocalyptic number.

It is an amenable number.

139702397193 is a deficient number, since it is larger than the sum of its proper divisors (80021018807).

139702397193 is a wasteful number, since it uses less digits than its factorization.

139702397193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043 (or 20034 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 54.

The spelling of 139702397193 in words is "one hundred thirty-nine billion, seven hundred two million, three hundred ninety-seven thousand, one hundred ninety-three".