131747 has 16 divisors (see below), whose sum is σ = 172800. Its totient is φ = 97440.

The previous prime is 131743. The next prime is 131749. The reversal of 131747 is 747131.

It is not a de Polignac number, because 131747 - 2² = 131743 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2¹³¹⁷⁴⁷ is an apocalyptic number.

131747 is a deficient number, since it is larger than the sum of its proper divisors (41053).

131747 is a wasteful number, since it uses less digits than its factorization.

131747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its digits is 588, while the sum is 23.

The square root of 131747 is about 362.9696957048. The cubic root of 131747 is about 50.8838829477.

Adding to 131747 its reverse (747131), we get a palindrome (878878).

It can be divided in two parts, 131 and 747, that added together give a palindrome (878).

The spelling of 131747 in words is "one hundred thirty-one thousand, seven hundred forty-seven".