133320241 has 2 divisors, whose sum is σ = 133320242. Its totient is φ = 133320240.

The previous prime is 133320227. The next prime is 133320251. The reversal of 133320241 is 142023331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85655025 + 47665216 = 9255^2 + 6904^2 .

It is a cyclic number.

It is not a de Polignac number, because 133320241 - 2⁷ = 133320113 is a prime.

It is not a weakly prime, because it can be changed into another prime (133320211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66660120 + 66660121.

It is an arithmetic number, because the mean of its divisors is an integer number (66660121).

Almost surely, 2^133320241 is an apocalyptic number.

It is an amenable number.

133320241 is a deficient number, since it is larger than the sum of its proper divisors (1).

133320241 is an equidigital number, since it uses as much as digits as its factorization.

133320241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133320241 is about 11546.4384552121. The cubic root of 133320241 is about 510.8562330842.

Adding to 133320241 its reverse (142023331), we get a palindrome (275343572).

The spelling of 133320241 in words is "one hundred thirty-three million, three hundred twenty thousand, two hundred forty-one".