133131333 has 8 divisors (see below), whose sum is σ = 177604128. Its totient is φ = 88706384.

The previous prime is 133131293. The next prime is 133131343. The reversal of 133131333 is 333131331.

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 133131333 - 2⁶ = 133131269 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4866 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (22200516).

Almost surely, 2^133131333 is an apocalyptic number.

It is an amenable number.

133131333 is a deficient number, since it is larger than the sum of its proper divisors (44472795).

133131333 is a wasteful number, since it uses less digits than its factorization.

133131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923.

The product of its digits is 729, while the sum is 21.

The square root of 133131333 is about 11538.2551973858. The cubic root of 133131333 is about 510.6148332655.

Adding to 133131333 its reverse (333131331), we get a palindrome (466262664).

The spelling of 133131333 in words is "one hundred thirty-three million, one hundred thirty-one thousand, three hundred thirty-three".