133366111 has 8 divisors (see below), whose sum is σ = 141249920. Its totient is φ = 125568792.

The previous prime is 133366097. The next prime is 133366127. The reversal of 133366111 is 111663331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133366111 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 (133306111) 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, 18435 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (17656240).

Almost surely, 2^133366111 is an apocalyptic number.

133366111 is a deficient number, since it is larger than the sum of its proper divisors (7883809).

133366111 is a wasteful number, since it uses less digits than its factorization.

133366111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43245.

The product of its digits is 972, while the sum is 25.

The square root of 133366111 is about 11548.4246111753. The cubic root of 133366111 is about 510.9148145576.

The spelling of 133366111 in words is "one hundred thirty-three million, three hundred sixty-six thousand, one hundred eleven".