133330 has 16 divisors (see below), whose sum is σ = 244800. Its totient is φ = 52272.

The previous prime is 133327. The next prime is 133337. The reversal of 133330 is 33331.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 133330.

It is not an unprimeable number, because it can be changed into a prime (133337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (15300).

2¹³³³³⁰ is an apocalyptic number.

133330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133330 is a deficient number, since it is larger than the sum of its proper divisors (111470).

133330 is a wasteful number, since it uses less digits than its factorization.

133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 81, while the sum is 13.

The square root of 133330 is about 365.1438072869. The cubic root of 133330 is about 51.0868697619.

Adding to 133330 its reverse (33331), we get a palindrome (166661).

Subtracting from 133330 its reverse (33331), we obtain a palindrome (99999).

The spelling of 133330 in words is "one hundred thirty-three thousand, three hundred thirty".