265135465 has 16 divisors (see below), whose sum is σ = 364131072. Its totient is φ = 181548864.

The previous prime is 265135459. The next prime is 265135483. The reversal of 265135465 is 564531562.

It is not a de Polignac number, because 265135465 - 2³ = 265135457 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21492 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (22758192).

Almost surely, 2^265135465 is an apocalyptic number.

It is an amenable number.

265135465 is a deficient number, since it is larger than the sum of its proper divisors (98995607).

265135465 is a wasteful number, since it uses less digits than its factorization.

265135465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776.

The product of its digits is 108000, while the sum is 37.

The square root of 265135465 is about 16282.9808389005. The cubic root of 265135465 is about 642.4252584054.

The spelling of 265135465 in words is "two hundred sixty-five million, one hundred thirty-five thousand, four hundred sixty-five".