133024399 has 2 divisors, whose sum is σ = 133024400. Its totient is φ = 133024398.

The previous prime is 133024357. The next prime is 133024403. The reversal of 133024399 is 993420331.

It is a strong prime.

It is an emirp because it is prime and its reverse (993420331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133024399 - 2⁹ = 133023887 is a prime.

It is a super-2 number, since 2×133024399² = 35390981458622402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133024319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66512199 + 66512200.

It is an arithmetic number, because the mean of its divisors is an integer number (66512200).

Almost surely, 2^133024399 is an apocalyptic number.

133024399 is a deficient number, since it is larger than the sum of its proper divisors (1).

133024399 is an equidigital number, since it uses as much as digits as its factorization.

133024399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 133024399 is about 11533.6203769675. The cubic root of 133024399 is about 510.4780843097.

The spelling of 133024399 in words is "one hundred thirty-three million, twenty-four thousand, three hundred ninety-nine".