133475 has 12 divisors (see below), whose sum is σ = 174840. Its totient is φ = 100800.

The previous prime is 133451. The next prime is 133481. The reversal of 133475 is 574331.

It is a happy number.

It is not a de Polignac number, because 133475 - 2¹² = 129379 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 133475.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 335 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (14570).

2¹³³⁴⁷⁵ is an apocalyptic number.

133475 is a deficient number, since it is larger than the sum of its proper divisors (41365).

133475 is a wasteful number, since it uses less digits than its factorization.

133475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 305 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 133475 is about 365.3423052426. The cubic root of 133475 is about 51.1053825058.

The spelling of 133475 in words is "one hundred thirty-three thousand, four hundred seventy-five".