104140239 has 12 divisors (see below), whose sum is σ = 161523864. Its totient is φ = 59508624.

The previous prime is 104140219. The next prime is 104140243. The reversal of 104140239 is 932041401.

It is not a de Polignac number, because 104140239 - 2⁵ = 104140207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354072 + ... + 354365.

It is an arithmetic number, because the mean of its divisors is an integer number (13460322).

Almost surely, 2^104140239 is an apocalyptic number.

104140239 is a deficient number, since it is larger than the sum of its proper divisors (57383625).

104140239 is an equidigital number, since it uses as much as digits as its factorization.

104140239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708454 (or 708447 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 104140239 is about 10204.9124935004. The cubic root of 104140239 is about 470.4782200566.

The spelling of 104140239 in words is "one hundred four million, one hundred forty thousand, two hundred thirty-nine".