131065 has 8 divisors (see below), whose sum is σ = 171648. Its totient is φ = 95280.

The previous prime is 131063. The next prime is 131071. The reversal of 131065 is 560131.

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

It is not a de Polignac number, because 131065 - 2¹ = 131063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131063) 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, 1137 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (21456).

2¹³¹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

131065 is a deficient number, since it is larger than the sum of its proper divisors (40583).

131065 is a wasteful number, since it uses less digits than its factorization.

131065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 131065 is about 362.0290043629. The cubic root of 131065 is about 50.7959293657.

Adding to 131065 its reverse (560131), we get a palindrome (691196).

The spelling of 131065 in words is "one hundred thirty-one thousand, sixty-five".