133013224 has 64 divisors (see below), whose sum is σ = 274420800. Its totient is φ = 60217344.

The previous prime is 133013213. The next prime is 133013249. The reversal of 133013224 is 422310331.

133013224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376632 + ... + 376984.

It is an arithmetic number, because the mean of its divisors is an integer number (4287825).

Almost surely, 2^133013224 is an apocalyptic number.

It is an amenable number.

133013224 is an abundant number, since it is smaller than the sum of its proper divisors (141407576).

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

133013224 is a wasteful number, since it uses less digits than its factorization.

133013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133013224 is about 11533.1359135319. The cubic root of 133013224 is about 510.4637893072.

Adding to 133013224 its reverse (422310331), we get a palindrome (555323555).

The spelling of 133013224 in words is "one hundred thirty-three million, thirteen thousand, two hundred twenty-four".