104044139 has 2 divisors, whose sum is σ = 104044140. Its totient is φ = 104044138.

The previous prime is 104044067. The next prime is 104044147. The reversal of 104044139 is 931440401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104044139 is a prime.

It is not a weakly prime, because it can be changed into another prime (104044169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52022069 + 52022070.

It is an arithmetic number, because the mean of its divisors is an integer number (52022070).

Almost surely, 2^104044139 is an apocalyptic number.

104044139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104044139 is an equidigital number, since it uses as much as digits as its factorization.

104044139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 104044139 is about 10200.2028901390. The cubic root of 104044139 is about 470.3334573407. Note that the first 3 decimals are identical.

The spelling of 104044139 in words is "one hundred four million, forty-four thousand, one hundred thirty-nine".