131726743 has 2 divisors, whose sum is σ = 131726744. Its totient is φ = 131726742.

The previous prime is 131726731. The next prime is 131726747. The reversal of 131726743 is 347627131.

It is a strong prime.

It is an emirp because it is prime and its reverse (347627131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131726743 - 2⁵ = 131726711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131726699 and 131726708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131726747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65863371 + 65863372.

It is an arithmetic number, because the mean of its divisors is an integer number (65863372).

Almost surely, 2^131726743 is an apocalyptic number.

131726743 is a deficient number, since it is larger than the sum of its proper divisors (1).

131726743 is an equidigital number, since it uses as much as digits as its factorization.

131726743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 131726743 is about 11477.2271477043. The cubic root of 131726743 is about 508.8127489929.

The spelling of 131726743 in words is "one hundred thirty-one million, seven hundred twenty-six thousand, seven hundred forty-three".