133005211 has 2 divisors, whose sum is σ = 133005212. Its totient is φ = 133005210.

The previous prime is 133005199. The next prime is 133005241. The reversal of 133005211 is 112500331.

It is a weak prime.

It is an emirp because it is prime and its reverse (112500331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133005211 - 2¹⁵ = 132972443 is a prime.

It is not a weakly prime, because it can be changed into another prime (133005241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66502605 + 66502606.

It is an arithmetic number, because the mean of its divisors is an integer number (66502606).

Almost surely, 2^133005211 is an apocalyptic number.

133005211 is a deficient number, since it is larger than the sum of its proper divisors (1).

133005211 is an equidigital number, since it uses as much as digits as its factorization.

133005211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 133005211 is about 11532.7885179604. The cubic root of 133005211 is about 510.4535386260.

Adding to 133005211 its reverse (112500331), we get a palindrome (245505542).

The spelling of 133005211 in words is "one hundred thirty-three million, five thousand, two hundred eleven".