133120033 has 4 divisors (see below), whose sum is σ = 133276948. Its totient is φ = 132963120.

The previous prime is 133120019. The next prime is 133120037. The reversal of 133120033 is 330021331.

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 80586529 + 52533504 = 8977^2 + 7248^2 .

It is a cyclic number.

It is not a de Polignac number, because 133120033 - 2¹³ = 133111841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133119989 and 133120016.

It is not an unprimeable number, because it can be changed into a prime (133120037) 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, 77178 + ... + 78883.

It is an arithmetic number, because the mean of its divisors is an integer number (33319237).

Almost surely, 2^133120033 is an apocalyptic number.

It is an amenable number.

133120033 is a deficient number, since it is larger than the sum of its proper divisors (156915).

133120033 is an equidigital number, since it uses as much as digits as its factorization.

133120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156914.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133120033 is about 11537.7655115711. The cubic root of 133120033 is about 510.6003861008.

Adding to 133120033 its reverse (330021331), we get a palindrome (463141364).

The spelling of 133120033 in words is "one hundred thirty-three million, one hundred twenty thousand, thirty-three".