131612 has 12 divisors (see below), whose sum is σ = 248136. Its totient is φ = 60720.
The previous prime is 131611. The next prime is 131617. The reversal of 131612 is 216131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214 + ... + 1317.
It is an arithmetic number, because the mean of its divisors is an integer number (20678).
2131612 is an apocalyptic number.
It is an amenable number.
131612 is a deficient number, since it is larger than the sum of its proper divisors (116524).
131612 is a wasteful number, since it uses less digits than its factorization.
131612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2548 (or 2546 counting only the distinct ones).
The product of its digits is 36, while the sum is 14.
The square root of 131612 is about 362.7836821027. The cubic root of 131612 is about 50.8664969178.
Adding to 131612 its reverse (216131), we get a palindrome (347743).
It can be divided in two parts, 1 and 31612, that added together give a palindrome (31613).
The spelling of 131612 in words is "one hundred thirty-one thousand, six hundred twelve".
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