131743 has 2 divisors, whose sum is σ = 131744. Its totient is φ = 131742.

The previous prime is 131731. The next prime is 131749. The reversal of 131743 is 347131.

It is a strong prime.

It is an emirp because it is prime and its reverse (347131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131743 - 2⁵ = 131711 is a prime.

131743 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 131743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65871 + 65872.

It is an arithmetic number, because the mean of its divisors is an integer number (65872).

2¹³¹⁷⁴³ is an apocalyptic number.

131743 is a deficient number, since it is larger than the sum of its proper divisors (1).

131743 is an equidigital number, since it uses as much as digits as its factorization.

131743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 131743 is about 362.9641855611. The cubic root of 131743 is about 50.8833679768.

Adding to 131743 its reverse (347131), we get a palindrome (478874).

The spelling of 131743 in words is "one hundred thirty-one thousand, seven hundred forty-three".