104134139 has 2 divisors, whose sum is σ = 104134140. Its totient is φ = 104134138.

The previous prime is 104134097. The next prime is 104134141. The reversal of 104134139 is 931431401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104134139 is a prime.

Together with 104134141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104134159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52067069 + 52067070.

It is an arithmetic number, because the mean of its divisors is an integer number (52067070).

Almost surely, 2^104134139 is an apocalyptic number.

104134139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104134139 is an equidigital number, since it uses as much as digits as its factorization.

104134139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 104134139 is about 10204.6136134594. The cubic root of 104134139 is about 470.4690338118.

The spelling of 104134139 in words is "one hundred four million, one hundred thirty-four thousand, one hundred thirty-nine".