131726 has 12 divisors (see below), whose sum is σ = 228168. Its totient is φ = 55872.
The previous prime is 131713. The next prime is 131731. The reversal of 131726 is 627131.
It is a happy number.
131726 is nontrivially palindromic in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 131698 and 131707.
It is a congruent number.
It is an unprimeable number.
131726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1310 + ... + 1406.
It is an arithmetic number, because the mean of its divisors is an integer number (19014).
2131726 is an apocalyptic number.
131726 is a deficient number, since it is larger than the sum of its proper divisors (96442).
131726 is an frugal number, since it uses more digits than its factorization.
131726 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203 (or 106 counting only the distinct ones).
The product of its digits is 252, while the sum is 20.
The square root of 131726 is about 362.9407665171. The cubic root of 131726 is about 50.8811792344.
Adding to 131726 its reverse (627131), we get a palindrome (758857).
The spelling of 131726 in words is "one hundred thirty-one thousand, seven hundred twenty-six".
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