133313333 has 8 divisors (see below), whose sum is σ = 134859168. Its totient is φ = 131773264.

The previous prime is 133313321. The next prime is 133313357. The reversal of 133313333 is 333313331.

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 133313333 - 2⁸ = 133313077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133313299 and 133313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133313533) 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, 59135 + ... + 61347.

It is an arithmetic number, because the mean of its divisors is an integer number (16857396).

Almost surely, 2^133313333 is an apocalyptic number.

It is an amenable number.

133313333 is a deficient number, since it is larger than the sum of its proper divisors (1545835).

133313333 is a wasteful number, since it uses less digits than its factorization.

133313333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883.

The product of its digits is 2187, while the sum is 23.

The square root of 133313333 is about 11546.1393114755. The cubic root of 133313333 is about 510.8474095782.

Adding to 133313333 its reverse (333313331), we get a palindrome (466626664).

The spelling of 133313333 in words is "one hundred thirty-three million, three hundred thirteen thousand, three hundred thirty-three".