131395 has 8 divisors (see below), whose sum is σ = 172080. Its totient is φ = 95520.

The previous prime is 131381. The next prime is 131413. The reversal of 131395 is 593131.

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

It is not a de Polignac number, because 131395 - 2⁵ = 131363 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (21510).

2¹³¹³⁹⁵ is an apocalyptic number.

131395 is a deficient number, since it is larger than the sum of its proper divisors (40685).

131395 is a wasteful number, since it uses less digits than its factorization.

131395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its digits is 405, while the sum is 22.

The square root of 131395 is about 362.4844824265. The cubic root of 131395 is about 50.8385255528.

The spelling of 131395 in words is "one hundred thirty-one thousand, three hundred ninety-five".