104013409 has 4 divisors (see below), whose sum is σ = 104178880. Its totient is φ = 103847940.

The previous prime is 104013407. The next prime is 104013419. The reversal of 104013409 is 904310401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 904310401 = 571 ⋅1583731.

It is a cyclic number.

It is not a de Polignac number, because 104013409 - 2¹ = 104013407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104013409.

It is not an unprimeable number, because it can be changed into a prime (104013407) 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, 81789 + ... + 83050.

It is an arithmetic number, because the mean of its divisors is an integer number (26044720).

Almost surely, 2^104013409 is an apocalyptic number.

It is an amenable number.

104013409 is a deficient number, since it is larger than the sum of its proper divisors (165471).

104013409 is an equidigital number, since it uses as much as digits as its factorization.

104013409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165470.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 104013409 is about 10198.6964363099. The cubic root of 104013409 is about 470.2871476031.

The spelling of 104013409 in words is "one hundred four million, thirteen thousand, four hundred nine".