264644134 has 8 divisors (see below), whose sum is σ = 420317208. Its totient is φ = 124538400.

The previous prime is 264644129. The next prime is 264644137. The reversal of 264644134 is 431446462.

264644134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 7783651 = 264644134 / (2 + 6 + 4 + 6 + 4 + 4 + 1 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 264644134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264644137) 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, 3891792 + ... + 3891859.

It is an arithmetic number, because the mean of its divisors is an integer number (52539651).

Almost surely, 2^264644134 is an apocalyptic number.

264644134 is a deficient number, since it is larger than the sum of its proper divisors (155673074).

264644134 is a wasteful number, since it uses less digits than its factorization.

264644134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783670.

The product of its digits is 55296, while the sum is 34.

The square root of 264644134 is about 16267.8865867697. The cubic root of 264644134 is about 642.0281801019.

The spelling of 264644134 in words is "two hundred sixty-four million, six hundred forty-four thousand, one hundred thirty-four".