136266265 has 4 divisors (see below), whose sum is σ = 163519524. Its totient is φ = 109013008.

The previous prime is 136266259. The next prime is 136266281. The reversal of 136266265 is 562662631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562662631 = 8887 ⋅63313.

It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 112763161 = 4848^2 + 10619^2 .

It is a cyclic number.

It is not a de Polignac number, because 136266265 - 2³ = 136266257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13626622 + ... + 13626631.

It is an arithmetic number, because the mean of its divisors is an integer number (40879881).

Almost surely, 2^136266265 is an apocalyptic number.

It is an amenable number.

136266265 is a deficient number, since it is larger than the sum of its proper divisors (27253259).

136266265 is an equidigital number, since it uses as much as digits as its factorization.

136266265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27253258.

The product of its digits is 77760, while the sum is 37.

The square root of 136266265 is about 11673.3142251890. The cubic root of 136266265 is about 514.5917083147.

It can be divided in two parts, 13626 and 6265, that added together give a palindrome (19891).

The spelling of 136266265 in words is "one hundred thirty-six million, two hundred sixty-six thousand, two hundred sixty-five".