131268 has 12 divisors (see below), whose sum is σ = 306320. Its totient is φ = 43752.
The previous prime is 131267. The next prime is 131293. The reversal of 131268 is 862131.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (131267) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5458 + ... + 5481.
2131268 is an apocalyptic number.
It is an amenable number.
131268 is an abundant number, since it is smaller than the sum of its proper divisors (175052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131268 is a wasteful number, since it uses less digits than its factorization.
131268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10946 (or 10944 counting only the distinct ones).
The product of its digits is 288, while the sum is 21.
The square root of 131268 is about 362.3092601632. The cubic root of 131268 is about 50.8221409262.
Adding to 131268 its reverse (862131), we get a palindrome (993399).
The spelling of 131268 in words is "one hundred thirty-one thousand, two hundred sixty-eight".
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