131158 has 4 divisors (see below), whose sum is σ = 196740. Its totient is φ = 65578.

The previous prime is 131149. The next prime is 131171. The reversal of 131158 is 851131.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

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 as a sum of consecutive naturals, namely, 32788 + ... + 32791.

It is an arithmetic number, because the mean of its divisors is an integer number (49185).

2¹³¹¹⁵⁸ is an apocalyptic number.

131158 is a deficient number, since it is larger than the sum of its proper divisors (65582).

131158 is an equidigital number, since it uses as much as digits as its factorization.

131158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65581.

The product of its digits is 120, while the sum is 19.

The square root of 131158 is about 362.1574243337. The cubic root of 131158 is about 50.8079409745.

Adding to 131158 its reverse (851131), we get a palindrome (982289).

It can be divided in two parts, 1311 and 58, that added together give a square (1369 = 37²).

The spelling of 131158 in words is "one hundred thirty-one thousand, one hundred fifty-eight".