133215333 has 32 divisors (see below), whose sum is σ = 193121280. Its totient is φ = 81459840.

The previous prime is 133215319. The next prime is 133215337. The reversal of 133215333 is 333512331.

It is not a de Polignac number, because 133215333 - 2⁴ = 133215317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133215337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174673 + ... + 175433.

It is an arithmetic number, because the mean of its divisors is an integer number (6035040).

Almost surely, 2^133215333 is an apocalyptic number.

It is an amenable number.

133215333 is a deficient number, since it is larger than the sum of its proper divisors (59905947).

133215333 is a wasteful number, since it uses less digits than its factorization.

133215333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 2430, while the sum is 24.

The square root of 133215333 is about 11541.8946884816. The cubic root of 133215333 is about 510.7222025008.

Adding to 133215333 its reverse (333512331), we get a palindrome (466727664).

The spelling of 133215333 in words is "one hundred thirty-three million, two hundred fifteen thousand, three hundred thirty-three".