132973999 has 2 divisors, whose sum is σ = 132974000. Its totient is φ = 132973998.

The previous prime is 132973891. The next prime is 132974011. The reversal of 132973999 is 999379231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132973999 - 2⁹ = 132973487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132973499) 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, 66486999 + 66487000.

It is an arithmetic number, because the mean of its divisors is an integer number (66487000).

Almost surely, 2^132973999 is an apocalyptic number.

132973999 is a deficient number, since it is larger than the sum of its proper divisors (1).

132973999 is an equidigital number, since it uses as much as digits as its factorization.

132973999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 52.

The square root of 132973999 is about 11531.4352532545. The cubic root of 132973999 is about 510.4136065508.

The spelling of 132973999 in words is "one hundred thirty-two million, nine hundred seventy-three thousand, nine hundred ninety-nine".