It is a tau number, because it is divible by the number of its divisors (12).
It is a plaindrome in base 13.
It is a nialpdrome in base 16.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3156.
It is an unprimeable number.
3156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3156 is a wasteful number, since it uses less digits than its factorization.
3156 is an odious number, because the sum of its binary digits is odd.
The square root of 3156 is about 56.1782876208. The cubic root of 3156 is about 14.6682734695.
Adding to 3156 its reverse (6513), we get a palindrome (9669).
The spelling of 3156 in words is "three thousand, one hundred fifty-six".