104686465139 has 2 divisors, whose sum is σ = 104686465140. Its totient is φ = 104686465138.

The previous prime is 104686465109. The next prime is 104686465159. The reversal of 104686465139 is 931564686401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104686465139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (104686465109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52343232569 + 52343232570.

It is an arithmetic number, because the mean of its divisors is an integer number (52343232570).

Almost surely, 2^104686465139 is an apocalyptic number.

104686465139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104686465139 is an equidigital number, since it uses as much as digits as its factorization.

104686465139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 104686465139 in words is "one hundred four billion, six hundred eighty-six million, four hundred sixty-five thousand, one hundred thirty-nine".