133052433 has 4 divisors (see below), whose sum is σ = 177403248. Its totient is φ = 88701620.

The previous prime is 133052429. The next prime is 133052471. The reversal of 133052433 is 334250331.

It is a happy number.

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 133052433 - 2² = 133052429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133052473) 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, 22175403 + ... + 22175408.

It is an arithmetic number, because the mean of its divisors is an integer number (44350812).

Almost surely, 2^133052433 is an apocalyptic number.

It is an amenable number.

133052433 is a deficient number, since it is larger than the sum of its proper divisors (44350815).

133052433 is an equidigital number, since it uses as much as digits as its factorization.

133052433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44350814.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 133052433 is about 11534.8356295181. The cubic root of 133052433 is about 510.5139417352.

The spelling of 133052433 in words is "one hundred thirty-three million, fifty-two thousand, four hundred thirty-three".