133412304 has 20 divisors (see below), whose sum is σ = 344648576. Its totient is φ = 44470752.

The previous prime is 133412297. The next prime is 133412309. The reversal of 133412304 is 403214331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133412309) 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 3 ways as a sum of consecutive naturals, for example, 1389664 + ... + 1389759.

Almost surely, 2^133412304 is an apocalyptic number.

It is an amenable number.

133412304 is an abundant number, since it is smaller than the sum of its proper divisors (211236272).

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

133412304 is a wasteful number, since it uses less digits than its factorization.

133412304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779434 (or 2779428 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133412304 is about 11550.4244077869. The cubic root of 133412304 is about 510.9737949677.

Adding to 133412304 its reverse (403214331), we get a palindrome (536626635).

The spelling of 133412304 in words is "one hundred thirty-three million, four hundred twelve thousand, three hundred four".