131746 has 8 divisors (see below), whose sum is σ = 208080. Its totient is φ = 62388.

The previous prime is 131743. The next prime is 131749. The reversal of 131746 is 647131.

131746 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (131743) and next prime (131749).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (26010).

2¹³¹⁷⁴⁶ is an apocalyptic number.

131746 is a deficient number, since it is larger than the sum of its proper divisors (76334).

131746 is a wasteful number, since it uses less digits than its factorization.

131746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488.

The product of its digits is 504, while the sum is 22.

The square root of 131746 is about 362.9683181767. The cubic root of 131746 is about 50.8837542059.

Adding to 131746 its reverse (647131), we get a palindrome (778877).

The spelling of 131746 in words is "one hundred thirty-one thousand, seven hundred forty-six".