139697196549179 has 2 divisors, whose sum is σ = 139697196549180. Its totient is φ = 139697196549178.

The previous prime is 139697196549103. The next prime is 139697196549181. The reversal of 139697196549179 is 971945691796931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139697196549179 - 2¹² = 139697196545083 is a prime.

Together with 139697196549181, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139697196549179.

It is not a weakly prime, because it can be changed into another prime (139697196540179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69848598274589 + 69848598274590.

It is an arithmetic number, because the mean of its divisors is an integer number (69848598274590).

Almost surely, 2^{139697196549179} is an apocalyptic number.

139697196549179 is a deficient number, since it is larger than the sum of its proper divisors (1).

139697196549179 is an equidigital number, since it uses as much as digits as its factorization.

139697196549179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6249746160, while the sum is 86.

The spelling of 139697196549179 in words is "one hundred thirty-nine trillion, six hundred ninety-seven billion, one hundred ninety-six million, five hundred forty-nine thousand, one hundred seventy-nine".