133283183 has 16 divisors (see below), whose sum is σ = 154310400. Its totient is φ = 113921280.

The previous prime is 133283149. The next prime is 133283197. The reversal of 133283183 is 381382331.

It is not a de Polignac number, because 133283183 - 2¹² = 133279087 is a prime.

It is a super-2 number, since 2×133283183² = 35528813741222978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133283113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10463 + ... + 19391.

It is an arithmetic number, because the mean of its divisors is an integer number (9644400).

Almost surely, 2^133283183 is an apocalyptic number.

133283183 is a deficient number, since it is larger than the sum of its proper divisors (21027217).

133283183 is a wasteful number, since it uses less digits than its factorization.

133283183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022.

The product of its digits is 10368, while the sum is 32.

The square root of 133283183 is about 11544.8336064233. The cubic root of 133283183 is about 510.8088957744.

The spelling of 133283183 in words is "one hundred thirty-three million, two hundred eighty-three thousand, one hundred eighty-three".