133675 has 6 divisors (see below), whose sum is σ = 165788. Its totient is φ = 106920.

The previous prime is 133673. The next prime is 133691. The reversal of 133675 is 576331.

It is a happy number.

It is not a de Polignac number, because 133675 - 2¹ = 133673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5347 = 133675 / (1 + 3 + 3 + 6 + 7 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2649 + ... + 2698.

2¹³³⁶⁷⁵ is an apocalyptic number.

133675 is a deficient number, since it is larger than the sum of its proper divisors (32113).

133675 is an equidigital number, since it uses as much as digits as its factorization.

133675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5352 counting only the distinct ones).

The product of its digits is 1890, while the sum is 25.

The square root of 133675 is about 365.6159186906. The cubic root of 133675 is about 51.1308953374.

It can be divided in two parts, 133 and 675, that added together give a palindrome (808).

The spelling of 133675 in words is "one hundred thirty-three thousand, six hundred seventy-five".