104434139 has 4 divisors (see below), whose sum is σ = 104822640. Its totient is φ = 104045640.

The previous prime is 104434087. The next prime is 104434151. The reversal of 104434139 is 931434401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104434139 - 2⁸ = 104433883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104434159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193847 + ... + 194384.

It is an arithmetic number, because the mean of its divisors is an integer number (26205660).

Almost surely, 2^104434139 is an apocalyptic number.

104434139 is a deficient number, since it is larger than the sum of its proper divisors (388501).

104434139 is an equidigital number, since it uses as much as digits as its factorization.

104434139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388500.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 104434139 is about 10219.3022755959. The cubic root of 104434139 is about 470.9203920010.

The spelling of 104434139 in words is "one hundred four million, four hundred thirty-four thousand, one hundred thirty-nine".