133116775 has 12 divisors (see below), whose sum is σ = 180071064. Its totient is φ = 96812000.

The previous prime is 133116773. The next prime is 133116799. The reversal of 133116775 is 577611331.

It is not a de Polignac number, because 133116775 - 2¹ = 133116773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133116775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133116773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241756 + ... + 242305.

It is an arithmetic number, because the mean of its divisors is an integer number (15005922).

Almost surely, 2^133116775 is an apocalyptic number.

133116775 is a deficient number, since it is larger than the sum of its proper divisors (46954289).

133116775 is a wasteful number, since it uses less digits than its factorization.

133116775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484082 (or 484077 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 133116775 is about 11537.6243221904. The cubic root of 133116775 is about 510.5962205629.

The spelling of 133116775 in words is "one hundred thirty-three million, one hundred sixteen thousand, seven hundred seventy-five".