264135474 has 24 divisors (see below), whose sum is σ = 573842412. Its totient is φ = 87806880.

The previous prime is 264135463. The next prime is 264135479. The reversal of 264135474 is 474531462.

264135474 is a `hidden beast` number, since 2 + 641 + 3 + 5 + 4 + 7 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 245705625 + 18429849 = 15675^2 + 4293^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264135479) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12957 + ... + 26384.

Almost surely, 2^264135474 is an apocalyptic number.

264135474 is an abundant number, since it is smaller than the sum of its proper divisors (309706938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264135474 is a wasteful number, since it uses less digits than its factorization.

264135474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39722 (or 39719 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 264135474 is about 16252.2451987410. The cubic root of 264135474 is about 641.6165789280.

The spelling of 264135474 in words is "two hundred sixty-four million, one hundred thirty-five thousand, four hundred seventy-four".