133324441 has 2 divisors, whose sum is σ = 133324442. Its totient is φ = 133324440.

The previous prime is 133324417. The next prime is 133324481. The reversal of 133324441 is 144423331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106502400 + 26822041 = 10320^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 133324441 - 2¹⁵ = 133291673 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (133324481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66662220 + 66662221.

It is an arithmetic number, because the mean of its divisors is an integer number (66662221).

Almost surely, 2^133324441 is an apocalyptic number.

It is an amenable number.

133324441 is a deficient number, since it is larger than the sum of its proper divisors (1).

133324441 is an equidigital number, since it uses as much as digits as its factorization.

133324441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 133324441 is about 11546.6203280440. The cubic root of 133324441 is about 510.8615975450.

Adding to 133324441 its reverse (144423331), we get a palindrome (277747772).

The spelling of 133324441 in words is "one hundred thirty-three million, three hundred twenty-four thousand, four hundred forty-one".