133886 has 4 divisors (see below), whose sum is σ = 200832. Its totient is φ = 66942.

The previous prime is 133877. The next prime is 133919. The reversal of 133886 is 688331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33470 + ... + 33473.

It is an arithmetic number, because the mean of its divisors is an integer number (50208).

2¹³³⁸⁸⁶ is an apocalyptic number.

133886 is a deficient number, since it is larger than the sum of its proper divisors (66946).

133886 is an equidigital number, since it uses as much as digits as its factorization.

133886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66945.

The product of its digits is 3456, while the sum is 29.

The square root of 133886 is about 365.9043590885. The cubic root of 133886 is about 51.1577838043.

The spelling of 133886 in words is "one hundred thirty-three thousand, eight hundred eighty-six".