133846 has 4 divisors (see below), whose sum is σ = 200772. Its totient is φ = 66922.

The previous prime is 133843. The next prime is 133853. The reversal of 133846 is 648331.

133846 is nontrivially palindromic in base 11.

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

It is a self number, because there is not a number n which added to its sum of digits gives 133846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33460 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (50193).

2¹³³⁸⁴⁶ is an apocalyptic number.

133846 is a deficient number, since it is larger than the sum of its proper divisors (66926).

133846 is an equidigital number, since it uses as much as digits as its factorization.

133846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66925.

The product of its digits is 1728, while the sum is 25.

The square root of 133846 is about 365.8496959135. The cubic root of 133846 is about 51.1526886359.

It can be divided in two parts, 133 and 846, that added together give a palindrome (979).

The spelling of 133846 in words is "one hundred thirty-three thousand, eight hundred forty-six".