104139494 has 8 divisors (see below), whose sum is σ = 164430840. Its totient is φ = 49329216.

The previous prime is 104139487. The next prime is 104139499. The reversal of 104139494 is 494931401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104139499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370219 + ... + 1370294.

It is an arithmetic number, because the mean of its divisors is an integer number (20553855).

Almost surely, 2^104139494 is an apocalyptic number.

104139494 is a deficient number, since it is larger than the sum of its proper divisors (60291346).

104139494 is a wasteful number, since it uses less digits than its factorization.

104139494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740534.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104139494 is about 10204.8759914072. The cubic root of 104139494 is about 470.4770981492.

The spelling of 104139494 in words is "one hundred four million, one hundred thirty-nine thousand, four hundred ninety-four".