133356 has 12 divisors (see below), whose sum is σ = 311192. Its totient is φ = 44448.

The previous prime is 133351. The next prime is 133379. The reversal of 133356 is 653331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (133351) 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 3 ways as a sum of consecutive naturals, for example, 5545 + ... + 5568.

2¹³³³⁵⁶ is an apocalyptic number.

It is an amenable number.

133356 is an abundant number, since it is smaller than the sum of its proper divisors (177836).

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

133356 is a wasteful number, since it uses less digits than its factorization.

133356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120 (or 11118 counting only the distinct ones).

The product of its digits is 810, while the sum is 21.

The square root of 133356 is about 365.1794079627. The cubic root of 133356 is about 51.0901902756.

Adding to 133356 its reverse (653331), we get a palindrome (786687).

The spelling of 133356 in words is "one hundred thirty-three thousand, three hundred fifty-six".