133757999 has 2 divisors, whose sum is σ = 133758000. Its totient is φ = 133757998.

The previous prime is 133757983. The next prime is 133758007. The reversal of 133757999 is 999757331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133757999 - 2⁴ = 133757983 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133757999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133750999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66878999 + 66879000.

It is an arithmetic number, because the mean of its divisors is an integer number (66879000).

Almost surely, 2^133757999 is an apocalyptic number.

133757999 is a deficient number, since it is larger than the sum of its proper divisors (1).

133757999 is an equidigital number, since it uses as much as digits as its factorization.

133757999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1607445, while the sum is 53.

The square root of 133757999 is about 11565.3793279771. The cubic root of 133757999 is about 511.4147556351.

The spelling of 133757999 in words is "one hundred thirty-three million, seven hundred fifty-seven thousand, nine hundred ninety-nine".