104013509 has 8 divisors (see below), whose sum is σ = 105738048. Its totient is φ = 102296320.

The previous prime is 104013461. The next prime is 104013527. The reversal of 104013509 is 905310401.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104013509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104013529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31589 + ... + 34725.

It is an arithmetic number, because the mean of its divisors is an integer number (13217256).

Almost surely, 2^104013509 is an apocalyptic number.

It is an amenable number.

104013509 is a deficient number, since it is larger than the sum of its proper divisors (1724539).

104013509 is an equidigital number, since it uses as much as digits as its factorization.

104013509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 104013509 is about 10198.7013388960. The cubic root of 104013509 is about 470.2872983166.

The spelling of 104013509 in words is "one hundred four million, thirteen thousand, five hundred nine".