139317980669 has 8 divisors (see below), whose sum is σ = 159238291008. Its totient is φ = 119402105760.

The previous prime is 139317980657. The next prime is 139317980687. The reversal of 139317980669 is 966089713931.

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

It is not a de Polignac number, because 139317980669 - 2²⁸ = 139049545213 is a prime.

It is a super-2 number, since 2×139317980669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139317980699) 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, 1041272 + ... + 1167425.

It is an arithmetic number, because the mean of its divisors is an integer number (19904786376).

Almost surely, 2^139317980669 is an apocalyptic number.

It is an amenable number.

139317980669 is a deficient number, since it is larger than the sum of its proper divisors (19920310339).

139317980669 is an equidigital number, since it uses as much as digits as its factorization.

139317980669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217715.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 139317980669 in words is "one hundred thirty-nine billion, three hundred seventeen million, nine hundred eighty thousand, six hundred sixty-nine".