133023775 has 6 divisors (see below), whose sum is σ = 164949512. Its totient is φ = 106419000.

The previous prime is 133023757. The next prime is 133023797. The reversal of 133023775 is 577320331.

It is not a de Polignac number, because 133023775 - 2⁷ = 133023647 is a prime.

It is a Duffinian number.

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, 2660451 + ... + 2660500.

Almost surely, 2^133023775 is an apocalyptic number.

133023775 is a deficient number, since it is larger than the sum of its proper divisors (31925737).

133023775 is an equidigital number, since it uses as much as digits as its factorization.

133023775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320961 (or 5320956 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 133023775 is about 11533.5933255859. The cubic root of 133023775 is about 510.4772861132.

The spelling of 133023775 in words is "one hundred thirty-three million, twenty-three thousand, seven hundred seventy-five".