264430133 has 6 divisors (see below), whose sum is σ = 290654742. Its totient is φ = 240390920.

The previous prime is 264430109. The next prime is 264430169. The reversal of 264430133 is 331034462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 263965009 + 465124 = 16247^2 + 682^2 .

It is not a de Polignac number, because 264430133 - 2¹² = 264426037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264430183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1092566 + ... + 1092807.

It is an arithmetic number, because the mean of its divisors is an integer number (48442457).

Almost surely, 2^264430133 is an apocalyptic number.

It is an amenable number.

264430133 is a deficient number, since it is larger than the sum of its proper divisors (26224609).

264430133 is a wasteful number, since it uses less digits than its factorization.

264430133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185395 (or 2185384 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 264430133 is about 16261.3078502315. The cubic root of 264430133 is about 641.8550775518.

Adding to 264430133 its reverse (331034462), we get a palindrome (595464595).

The spelling of 264430133 in words is "two hundred sixty-four million, four hundred thirty thousand, one hundred thirty-three".