136565 has 16 divisors (see below), whose sum is σ = 193536. Its totient is φ = 91200.

The previous prime is 136559. The next prime is 136573. The reversal of 136565 is 565631.

136565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136565 - 2⁶ = 136501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136565.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹³⁶⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

136565 is a deficient number, since it is larger than the sum of its proper divisors (56971).

136565 is a wasteful number, since it uses less digits than its factorization.

136565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its digits is 2700, while the sum is 26.

The square root of 136565 is about 369.5470200123. The cubic root of 136565 is about 51.4967478387.

The spelling of 136565 in words is "one hundred thirty-six thousand, five hundred sixty-five".