130449 has 16 divisors (see below), whose sum is σ = 195840. Its totient is φ = 76560.

The previous prime is 130447. The next prime is 130457. The reversal of 130449 is 944031.

It is not a de Polignac number, because 130449 - 2¹ = 130447 is a prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (130447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914 + ... + 1980.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2¹³⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

130449 is a deficient number, since it is larger than the sum of its proper divisors (65391).

130449 is a wasteful number, since it uses less digits than its factorization.

130449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 130449 is about 361.1772418080. The cubic root of 130449 is about 50.7162247868.

The spelling of 130449 in words is "one hundred thirty thousand, four hundred forty-nine".