139466932879 has 8 divisors (see below), whose sum is σ = 139672375920. Its totient is φ = 139261573056.

The previous prime is 139466932877. The next prime is 139466932903. The reversal of 139466932879 is 978239664931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139466932879 - 2¹ = 139466932877 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 (139466932877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854677 + ... + 3890689.

It is an arithmetic number, because the mean of its divisors is an integer number (17459046990).

Almost surely, 2^139466932879 is an apocalyptic number.

139466932879 is a deficient number, since it is larger than the sum of its proper divisors (205443041).

139466932879 is an equidigital number, since it uses as much as digits as its factorization.

139466932879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41609.

The product of its digits is 105815808, while the sum is 67.

The spelling of 139466932879 in words is "one hundred thirty-nine billion, four hundred sixty-six million, nine hundred thirty-two thousand, eight hundred seventy-nine".