133488799 has 2 divisors, whose sum is σ = 133488800. Its totient is φ = 133488798.

The previous prime is 133488787. The next prime is 133488809. The reversal of 133488799 is 997884331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133488799 - 2⁷ = 133488671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133488499) 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, 66744399 + 66744400.

It is an arithmetic number, because the mean of its divisors is an integer number (66744400).

Almost surely, 2^133488799 is an apocalyptic number.

133488799 is a deficient number, since it is larger than the sum of its proper divisors (1).

133488799 is an equidigital number, since it uses as much as digits as its factorization.

133488799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 133488799 is about 11553.7352834484. The cubic root of 133488799 is about 511.0714358179.

The spelling of 133488799 in words is "one hundred thirty-three million, four hundred eighty-eight thousand, seven hundred ninety-nine".