133013333 has 4 divisors (see below), whose sum is σ = 133894368. Its totient is φ = 132132300.

The previous prime is 133013311. The next prime is 133013351. The reversal of 133013333 is 333310331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133013333 - 2¹⁰ = 133012309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133010333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440291 + ... + 440592.

It is an arithmetic number, because the mean of its divisors is an integer number (33473592).

Almost surely, 2^133013333 is an apocalyptic number.

It is an amenable number.

133013333 is a deficient number, since it is larger than the sum of its proper divisors (881035).

133013333 is an equidigital number, since it uses as much as digits as its factorization.

133013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881034.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 133013333 is about 11533.1406390454. The cubic root of 133013333 is about 510.4639287433.

Adding to 133013333 its reverse (333310331), we get a palindrome (466323664).

The spelling of 133013333 in words is "one hundred thirty-three million, thirteen thousand, three hundred thirty-three".