131458 has 4 divisors (see below), whose sum is σ = 197190. Its totient is φ = 65728.

The previous prime is 131449. The next prime is 131477. The reversal of 131458 is 854131.

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

It can be written as a sum of positive squares in only one way, i.e., 97969 + 33489 = 313^2 + 183^2 .

It is a congruent number.

It is an unprimeable number.

131458 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32863 + ... + 32866.

2¹³¹⁴⁵⁸ is an apocalyptic number.

131458 is a deficient number, since it is larger than the sum of its proper divisors (65732).

131458 is an equidigital number, since it uses as much as digits as its factorization.

131458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65731.

The product of its digits is 480, while the sum is 22.

The square root of 131458 is about 362.5713722841. The cubic root of 131458 is about 50.8466494423.

Adding to 131458 its reverse (854131), we get a palindrome (985589).

The spelling of 131458 in words is "one hundred thirty-one thousand, four hundred fifty-eight".