104302139 has 2 divisors, whose sum is σ = 104302140. Its totient is φ = 104302138.

The previous prime is 104302129. The next prime is 104302151. The reversal of 104302139 is 931203401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104302139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104302129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52151069 + 52151070.

It is an arithmetic number, because the mean of its divisors is an integer number (52151070).

Almost surely, 2^104302139 is an apocalyptic number.

104302139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104302139 is an equidigital number, since it uses as much as digits as its factorization.

104302139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 104302139 is about 10212.8418669830. The cubic root of 104302139 is about 470.7219010334.

The spelling of 104302139 in words is "one hundred four million, three hundred two thousand, one hundred thirty-nine".