130491 has 14 divisors (see below), whose sum is σ = 196740. Its totient is φ = 86508.

The previous prime is 130489. The next prime is 130513. The reversal of 130491 is 194031.

130491 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 130491 - 2¹ = 130489 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (130411) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 640 + ... + 818.

2¹³⁰⁴⁹¹ is an apocalyptic number.

130491 is a deficient number, since it is larger than the sum of its proper divisors (66249).

130491 is an frugal number, since it uses more digits than its factorization.

130491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 130491 is about 361.2353803270. The cubic root of 130491 is about 50.7216671509.

The spelling of 130491 in words is "one hundred thirty thousand, four hundred ninety-one".