133746 has 8 divisors (see below), whose sum is σ = 267504. Its totient is φ = 44580.

The previous prime is 133733. The next prime is 133769. The reversal of 133746 is 647331.

It is a sphenic number, since it is the product of 3 distinct primes.

133746 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 11140 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (33438).

2¹³³⁷⁴⁶ is an apocalyptic number.

133746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133746 is a wasteful number, since it uses less digits than its factorization.

133746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296.

The product of its digits is 1512, while the sum is 24.

The square root of 133746 is about 365.7130022299. The cubic root of 133746 is about 51.1399462720.

The spelling of 133746 in words is "one hundred thirty-three thousand, seven hundred forty-six".