104140665 has 48 divisors (see below), whose sum is σ = 189596160. Its totient is φ = 52778880.

The previous prime is 104140661. The next prime is 104140667. The reversal of 104140665 is 566041401.

It is not a de Polignac number, because 104140665 - 2² = 104140661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104140661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247155 + ... + 247575.

It is an arithmetic number, because the mean of its divisors is an integer number (3949920).

Almost surely, 2^104140665 is an apocalyptic number.

104140665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104140665 is a deficient number, since it is larger than the sum of its proper divisors (85455495).

104140665 is a wasteful number, since it uses less digits than its factorization.

104140665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 104140665 is about 10204.9333657795. The cubic root of 104140665 is about 470.4788615744.

The spelling of 104140665 in words is "one hundred four million, one hundred forty thousand, six hundred sixty-five".