133015241 has 2 divisors, whose sum is σ = 133015242. Its totient is φ = 133015240.

The previous prime is 133015229. The next prime is 133015277. The reversal of 133015241 is 142510331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 56190016 = 8765^2 + 7496^2 .

It is an emirp because it is prime and its reverse (142510331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133015241 - 2⁶ = 133015177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (133014241) 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, 66507620 + 66507621.

It is an arithmetic number, because the mean of its divisors is an integer number (66507621).

Almost surely, 2^133015241 is an apocalyptic number.

It is an amenable number.

133015241 is a deficient number, since it is larger than the sum of its proper divisors (1).

133015241 is an equidigital number, since it uses as much as digits as its factorization.

133015241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 133015241 is about 11533.2233568938. The cubic root of 133015241 is about 510.4663695025.

Adding to 133015241 its reverse (142510331), we get a palindrome (275525572).

The spelling of 133015241 in words is "one hundred thirty-three million, fifteen thousand, two hundred forty-one".