133030133 has 4 divisors (see below), whose sum is σ = 136625580. Its totient is φ = 129434688.

The previous prime is 133030127. The next prime is 133030141. The reversal of 133030133 is 331030331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121727089 + 11303044 = 11033^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 133030133 - 2¹⁸ = 132767989 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 (133030103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797668 + ... + 1797741.

It is an arithmetic number, because the mean of its divisors is an integer number (34156395).

Almost surely, 2^133030133 is an apocalyptic number.

It is an amenable number.

133030133 is a deficient number, since it is larger than the sum of its proper divisors (3595447).

133030133 is an equidigital number, since it uses as much as digits as its factorization.

133030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595446.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 133030133 is about 11533.8689519172. The cubic root of 133030133 is about 510.4854189022.

Adding to 133030133 its reverse (331030331), we get a palindrome (464060464).

The spelling of 133030133 in words is "one hundred thirty-three million, thirty thousand, one hundred thirty-three".