133362247 has 2 divisors, whose sum is σ = 133362248. Its totient is φ = 133362246.

The previous prime is 133362233. The next prime is 133362259. The reversal of 133362247 is 742263331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133362247 - 2¹⁹ = 132837959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133362347) 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, 66681123 + 66681124.

It is an arithmetic number, because the mean of its divisors is an integer number (66681124).

Almost surely, 2^133362247 is an apocalyptic number.

133362247 is a deficient number, since it is larger than the sum of its proper divisors (1).

133362247 is an equidigital number, since it uses as much as digits as its factorization.

133362247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 133362247 is about 11548.2573144176. The cubic root of 133362247 is about 510.9098802859.

The spelling of 133362247 in words is "one hundred thirty-three million, three hundred sixty-two thousand, two hundred forty-seven".