133202213 has 2 divisors, whose sum is σ = 133202214. Its totient is φ = 133202212.

The previous prime is 133202189. The next prime is 133202227. The reversal of 133202213 is 312202331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91431844 + 41770369 = 9562^2 + 6463^2 .

It is a cyclic number.

It is not a de Polignac number, because 133202213 - 2¹⁶ = 133136677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133202191 and 133202200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133202513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601106 + 66601107.

It is an arithmetic number, because the mean of its divisors is an integer number (66601107).

Almost surely, 2^133202213 is an apocalyptic number.

It is an amenable number.

133202213 is a deficient number, since it is larger than the sum of its proper divisors (1).

133202213 is an equidigital number, since it uses as much as digits as its factorization.

133202213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133202213 is about 11541.3263102643. The cubic root of 133202213 is about 510.7054354236.

Adding to 133202213 its reverse (312202331), we get a palindrome (445404544).

The spelling of 133202213 in words is "one hundred thirty-three million, two hundred two thousand, two hundred thirteen".