Adding to 131532 its reverse (235131), we get a palindrome (366663).
It is a happy number.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
2131532 is an apocalyptic number.
131532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131532 is a wasteful number, since it uses less digits than its factorization.
131532 is an evil number, because the sum of its binary digits is even.
The square root of 131532 is about 362.6734068001. The cubic root of 131532 is about 50.8561884744.
The spelling of 131532 in words is "one hundred thirty-one thousand, five hundred thirty-two".