133301033 has 4 divisors (see below), whose sum is σ = 133605120. Its totient is φ = 132996948.

The previous prime is 133301011. The next prime is 133301053. The reversal of 133301033 is 330103331.

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 133301033 - 2¹⁶ = 133235497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133301053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151385 + ... + 152262.

It is an arithmetic number, because the mean of its divisors is an integer number (33401280).

Almost surely, 2^133301033 is an apocalyptic number.

It is an amenable number.

133301033 is a deficient number, since it is larger than the sum of its proper divisors (304087).

133301033 is an equidigital number, since it uses as much as digits as its factorization.

133301033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304086.

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

The square root of 133301033 is about 11545.6066536150. The cubic root of 133301033 is about 510.8316981805.

Adding to 133301033 its reverse (330103331), we get a palindrome (463404364).

The spelling of 133301033 in words is "one hundred thirty-three million, three hundred one thousand, thirty-three".