133411975 has 6 divisors (see below), whose sum is σ = 165430880. Its totient is φ = 106729560.

The previous prime is 133411969. The next prime is 133412051. The reversal of 133411975 is 579114331.

It is a happy number.

It is not a de Polignac number, because 133411975 - 2⁹ = 133411463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133411975.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2668215 + ... + 2668264.

Almost surely, 2^133411975 is an apocalyptic number.

133411975 is a deficient number, since it is larger than the sum of its proper divisors (32018905).

133411975 is an equidigital number, since it uses as much as digits as its factorization.

133411975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336489 (or 5336484 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 133411975 is about 11550.4101658772. The cubic root of 133411975 is about 510.9733749402.

The spelling of 133411975 in words is "one hundred thirty-three million, four hundred eleven thousand, nine hundred seventy-five".