133433 has 8 divisors (see below), whose sum is σ = 145152. Its totient is φ = 122176.

The previous prime is 133417. The next prime is 133439. The reversal of 133433 is 334331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133433 - 2⁴ = 133417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (133439) by changing a digit.

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, 716 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (18144).

2¹³³⁴³³ is an apocalyptic number.

It is an amenable number.

133433 is a deficient number, since it is larger than the sum of its proper divisors (11719).

133433 is a wasteful number, since it uses less digits than its factorization.

133433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its digits is 324, while the sum is 17.

The square root of 133433 is about 365.2848203799. The cubic root of 133433 is about 51.1000215736.

Adding to 133433 its reverse (334331), we get a palindrome (467764).

The spelling of 133433 in words is "one hundred thirty-three thousand, four hundred thirty-three".