133224361 has 2 divisors, whose sum is σ = 133224362. Its totient is φ = 133224360.

The previous prime is 133224323. The next prime is 133224433. The reversal of 133224361 is 163422331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122235136 + 10989225 = 11056^2 + 3315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133224361 is a prime.

It is not a weakly prime, because it can be changed into another prime (133224761) 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, 66612180 + 66612181.

It is an arithmetic number, because the mean of its divisors is an integer number (66612181).

Almost surely, 2^133224361 is an apocalyptic number.

It is an amenable number.

133224361 is a deficient number, since it is larger than the sum of its proper divisors (1).

133224361 is an equidigital number, since it uses as much as digits as its factorization.

133224361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 133224361 is about 11542.2857788221. The cubic root of 133224361 is about 510.7337394507.

Adding to 133224361 its reverse (163422331), we get a palindrome (296646692).

The spelling of 133224361 in words is "one hundred thirty-three million, two hundred twenty-four thousand, three hundred sixty-one".