133212264 has 32 divisors (see below), whose sum is σ = 333313440. Its totient is φ = 44366400.

The previous prime is 133212229. The next prime is 133212271. The reversal of 133212264 is 462212331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54999 + ... + 57369.

It is an arithmetic number, because the mean of its divisors is an integer number (10416045).

Almost surely, 2^133212264 is an apocalyptic number.

It is an amenable number.

133212264 is an abundant number, since it is smaller than the sum of its proper divisors (200101176).

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

133212264 is a wasteful number, since it uses less digits than its factorization.

133212264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721 (or 4717 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 133212264 is about 11541.7617372739. The cubic root of 133212264 is about 510.7182804836.

Adding to 133212264 its reverse (462212331), we get a palindrome (595424595).

The spelling of 133212264 in words is "one hundred thirty-three million, two hundred twelve thousand, two hundred sixty-four".