Adding to 131768 its reverse (867131), we get a palindrome (998899).
It is a plaindrome in base 11.
It is a congruent number.
It is an unprimeable number.
131768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2131768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131768 is a wasteful number, since it uses less digits than its factorization.
131768 is an evil number, because the sum of its binary digits is even.
The square root of 131768 is about 362.9986225869. The cubic root of 131768 is about 50.8865863736.
The spelling of 131768 in words is "one hundred thirty-one thousand, seven hundred sixty-eight".