133224240209 has 2 divisors, whose sum is σ = 133224240210. Its totient is φ = 133224240208.

The previous prime is 133224240203. The next prime is 133224240257. The reversal of 133224240209 is 902042422331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130946278225 + 2277961984 = 361865^2 + 47728^2 .

It is a cyclic number.

It is not a de Polignac number, because 133224240209 - 2¹² = 133224236113 is a prime.

It is not a weakly prime, because it can be changed into another prime (133224240203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66612120104 + 66612120105.

It is an arithmetic number, because the mean of its divisors is an integer number (66612120105).

Almost surely, 2^133224240209 is an apocalyptic number.

It is an amenable number.

133224240209 is a deficient number, since it is larger than the sum of its proper divisors (1).

133224240209 is an equidigital number, since it uses as much as digits as its factorization.

133224240209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 133224240209 in words is "one hundred thirty-three billion, two hundred twenty-four million, two hundred forty thousand, two hundred nine".