104140565 has 8 divisors (see below), whose sum is σ = 126551040. Its totient is φ = 82257552.

The previous prime is 104140529. The next prime is 104140571. The reversal of 104140565 is 565041401.

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

It is a cyclic number.

It is not a de Polignac number, because 104140565 - 2¹² = 104136469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 131429 + ... + 132218.

It is an arithmetic number, because the mean of its divisors is an integer number (15818880).

Almost surely, 2^104140565 is an apocalyptic number.

It is an amenable number.

104140565 is a deficient number, since it is larger than the sum of its proper divisors (22410475).

104140565 is an equidigital number, since it uses as much as digits as its factorization.

104140565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263731.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 104140565 is about 10204.9284661873. The cubic root of 104140565 is about 470.4787109835.

Adding to 104140565 its reverse (565041401), we get a palindrome (669181966).

The spelling of 104140565 in words is "one hundred four million, one hundred forty thousand, five hundred sixty-five".