133785875 has 8 divisors (see below), whose sum is σ = 166964928. Its totient is φ = 107028600.

The previous prime is 133785811. The next prime is 133785877. The reversal of 133785875 is 578587331.

It is not a de Polignac number, because 133785875 - 2⁶ = 133785811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133785877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535019 + ... + 535268.

It is an arithmetic number, because the mean of its divisors is an integer number (20870616).

Almost surely, 2^133785875 is an apocalyptic number.

133785875 is a deficient number, since it is larger than the sum of its proper divisors (33179053).

133785875 is an equidigital number, since it uses as much as digits as its factorization.

133785875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070302 (or 1070292 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 133785875 is about 11566.5844137325. The cubic root of 133785875 is about 511.4502805073.

The spelling of 133785875 in words is "one hundred thirty-three million, seven hundred eighty-five thousand, eight hundred seventy-five".