133230 has 16 divisors (see below), whose sum is σ = 319824. Its totient is φ = 35520.

The previous prime is 133213. The next prime is 133241. The reversal of 133230 is 32331.

133230 = 181² + 182² + ... + 184².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (19989).

2¹³³²³⁰ is an apocalyptic number.

133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133230 is an abundant number, since it is smaller than the sum of its proper divisors (186594).

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

133230 is a wasteful number, since it uses less digits than its factorization.

133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 133230 is about 365.0068492508. The cubic root of 133230 is about 51.0740945307.

Adding to 133230 its reverse (32331), we get a palindrome (165561).

It can be divided in two parts, 133 and 230, that added together give a palindrome (363).

The spelling of 133230 in words is "one hundred thirty-three thousand, two hundred thirty".