136036865 has 8 divisors (see below), whose sum is σ = 171836160. Its totient is φ = 103101552.

The previous prime is 136036837. The next prime is 136036871. The reversal of 136036865 is 568630631.

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 136036865 - 2²⁰ = 134988289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715889 + ... + 716078.

It is an arithmetic number, because the mean of its divisors is an integer number (21479520).

Almost surely, 2^136036865 is an apocalyptic number.

It is an amenable number.

136036865 is a deficient number, since it is larger than the sum of its proper divisors (35799295).

136036865 is a wasteful number, since it uses less digits than its factorization.

136036865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431991.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 136036865 is about 11663.4842564304. The cubic root of 136036865 is about 514.3027797651.

The spelling of 136036865 in words is "one hundred thirty-six million, thirty-six thousand, eight hundred sixty-five".