104102139997 has 2 divisors, whose sum is σ = 104102139998. Its totient is φ = 104102139996.

The previous prime is 104102139989. The next prime is 104102140027. The reversal of 104102139997 is 799931201401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61577926201 + 42524213796 = 248149^2 + 206214^2 .

It is a cyclic number.

It is not a de Polignac number, because 104102139997 - 2³ = 104102139989 is a prime.

It is a super-3 number, since 3×104102139997³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104102139937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52051069998 + 52051069999.

It is an arithmetic number, because the mean of its divisors is an integer number (52051069999).

Almost surely, 2^104102139997 is an apocalyptic number.

It is an amenable number.

104102139997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104102139997 is an equidigital number, since it uses as much as digits as its factorization.

104102139997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 104102139997 in words is "one hundred four billion, one hundred two million, one hundred thirty-nine thousand, nine hundred ninety-seven".