264290135 has 4 divisors (see below), whose sum is σ = 317148168. Its totient is φ = 211432104.

The previous prime is 264290129. The next prime is 264290207. The reversal of 264290135 is 531092462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 264290135 - 2⁴ = 264290119 is a prime.

It is a super-3 number, since 3×264290135³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26429009 + ... + 26429018.

It is an arithmetic number, because the mean of its divisors is an integer number (79287042).

Almost surely, 2^264290135 is an apocalyptic number.

264290135 is a deficient number, since it is larger than the sum of its proper divisors (52858033).

264290135 is an equidigital number, since it uses as much as digits as its factorization.

264290135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52858032.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 264290135 is about 16257.0026450142. The cubic root of 264290135 is about 641.7417845006.

The spelling of 264290135 in words is "two hundred sixty-four million, two hundred ninety thousand, one hundred thirty-five".