133230775 has 12 divisors (see below), whose sum is σ = 167065200. Its totient is φ = 105385280.

The previous prime is 133230749. The next prime is 133230787. The reversal of 133230775 is 577032331.

It is not a de Polignac number, because 133230775 - 2¹¹ = 133228727 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 27715 + ... + 32164.

It is an arithmetic number, because the mean of its divisors is an integer number (13922100).

Almost surely, 2^133230775 is an apocalyptic number.

133230775 is a deficient number, since it is larger than the sum of its proper divisors (33834425).

133230775 is an equidigital number, since it uses as much as digits as its factorization.

133230775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59978 (or 59973 counting only the distinct ones).

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

The square root of 133230775 is about 11542.5636233897. The cubic root of 133230775 is about 510.7419356335.

The spelling of 133230775 in words is "one hundred thirty-three million, two hundred thirty thousand, seven hundred seventy-five".