136265 has 4 divisors (see below), whose sum is σ = 163524. Its totient is φ = 109008.

The previous prime is 136261. The next prime is 136273. The reversal of 136265 is 562631.

Added to its reverse (562631) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 76729 = 244^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 136265 - 2² = 136261 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136265.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136265.

It is not an unprimeable number, because it can be changed into a prime (136261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13622 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (40881).

2¹³⁶²⁶⁵ is an apocalyptic number.

It is an amenable number.

136265 is a deficient number, since it is larger than the sum of its proper divisors (27259).

136265 is an equidigital number, since it uses as much as digits as its factorization.

136265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27258.

The product of its digits is 1080, while the sum is 23.

The square root of 136265 is about 369.1408945105. The cubic root of 136265 is about 51.4590115941.

Adding to 136265 its reverse (562631), we get a palindrome (698896).

It can be divided in two parts, 13626 and 5, that added together give a palindrome (13631).

The spelling of 136265 in words is "one hundred thirty-six thousand, two hundred sixty-five".