133075 has 6 divisors (see below), whose sum is σ = 165044. Its totient is φ = 106440.

The previous prime is 133073. The next prime is 133087. The reversal of 133075 is 570331.

133075 = T₁₈ + T₁₉ + ... + T₉₂.

133075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 133075 - 2¹ = 133073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2637 + ... + 2686.

2¹³³⁰⁷⁵ is an apocalyptic number.

133075 is a deficient number, since it is larger than the sum of its proper divisors (31969).

133075 is an equidigital number, since it uses as much as digits as its factorization.

133075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333 (or 5328 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 133075 is about 364.7944626773. The cubic root of 133075 is about 51.0542802831.

The spelling of 133075 in words is "one hundred thirty-three thousand, seventy-five".