131716 has 24 divisors (see below), whose sum is σ = 264600. Its totient is φ = 56832.

The previous prime is 131713. The next prime is 131731. The reversal of 131716 is 617131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 129600 = 46^2 + 360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131693 and 131702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (11025).

2¹³¹⁷¹⁶ is an apocalyptic number.

It is an amenable number.

131716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131716 is a wasteful number, since it uses less digits than its factorization.

131716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 181 counting only the distinct ones).

The product of its digits is 126, while the sum is 19.

The square root of 131716 is about 362.9269899029. The cubic root of 131716 is about 50.8798916509.

Adding to 131716 its reverse (617131), we get a palindrome (748847).

The spelling of 131716 in words is "one hundred thirty-one thousand, seven hundred sixteen".