136104665 has 8 divisors (see below), whose sum is σ = 163467528. Its totient is φ = 108789120.

The previous prime is 136104659. The next prime is 136104667. The reversal of 136104665 is 566401631.

It can be written as a sum of positive squares in 4 ways, for example, as 9834496 + 126270169 = 3136^2 + 11237^2 .

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

It is not a de Polignac number, because 136104665 - 2⁴ = 136104649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136104667) 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 7 ways as a sum of consecutive naturals, for example, 5156 + ... + 17285.

It is an arithmetic number, because the mean of its divisors is an integer number (20433441).

Almost surely, 2^136104665 is an apocalyptic number.

It is an amenable number.

136104665 is a deficient number, since it is larger than the sum of its proper divisors (27362863).

136104665 is a wasteful number, since it uses less digits than its factorization.

136104665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23659.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136104665 is about 11666.3904014909. The cubic root of 136104665 is about 514.3882074348.

The spelling of 136104665 in words is "one hundred thirty-six million, one hundred four thousand, six hundred sixty-five".