131335 has 4 divisors (see below), whose sum is σ = 157608. Its totient is φ = 105064.

The previous prime is 131321. The next prime is 131357. The reversal of 131335 is 533131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533131 = 659 ⋅809.

It is a cyclic number.

It is not a de Polignac number, because 131335 - 2⁵ = 131303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 13129 + ... + 13138.

It is an arithmetic number, because the mean of its divisors is an integer number (39402).

2¹³¹³³⁵ is an apocalyptic number.

131335 is a deficient number, since it is larger than the sum of its proper divisors (26273).

131335 is an equidigital number, since it uses as much as digits as its factorization.

131335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26272.

The product of its digits is 135, while the sum is 16.

The square root of 131335 is about 362.4017108127. The cubic root of 131335 is about 50.8307861007.

Adding to 131335 its reverse (533131), we get a palindrome (664466).

The spelling of 131335 in words is "one hundred thirty-one thousand, three hundred thirty-five".