139233918197 has 16 divisors (see below), whose sum is σ = 157162999680. Its totient is φ = 122185291200.

The previous prime is 139233918181. The next prime is 139233918203. The reversal of 139233918197 is 791819332931.

It is a cyclic number.

It is not a de Polignac number, because 139233918197 - 2⁴ = 139233918181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139233918157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519547 + ... + 1608567.

It is an arithmetic number, because the mean of its divisors is an integer number (9822687480).

Almost surely, 2^139233918197 is an apocalyptic number.

It is an amenable number.

139233918197 is a deficient number, since it is larger than the sum of its proper divisors (17929081483).

139233918197 is a wasteful number, since it uses less digits than its factorization.

139233918197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93964.

The product of its digits is 2204496, while the sum is 56.

The spelling of 139233918197 in words is "one hundred thirty-nine billion, two hundred thirty-three million, nine hundred eighteen thousand, one hundred ninety-seven".