Adding to 2135 its reverse (5312), we get a palindrome (7447).
2135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a d-powerful number, because it can be written as 211 + 34 + 1 + 5 .
It is a Duffinian number.
It is a plaindrome in base 12.
It is a nialpdrome in base 13 and base 15.
It is a congruent number.
2135 is an equidigital number, since it uses as much as digits as its factorization.
2135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73.
The square root of 2135 is about 46.2060602086. The cubic root of 2135 is about 12.8765433158.
The spelling of 2135 in words is "two thousand, one hundred thirty-five".