130424144 has 20 divisors (see below), whose sum is σ = 253263924. Its totient is φ = 65065728.

The previous prime is 130424141. The next prime is 130424167. The reversal of 130424144 is 441424031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112105744 + 18318400 = 10588^2 + 4280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130424141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 16230.

Almost surely, 2^130424144 is an apocalyptic number.

It is an amenable number.

130424144 is a deficient number, since it is larger than the sum of its proper divisors (122839780).

130424144 is a wasteful number, since it uses less digits than its factorization.

130424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302 (or 18296 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 130424144 is about 11420.3390492577. The cubic root of 130424144 is about 507.1300339358.

Adding to 130424144 its reverse (441424031), we get a palindrome (571848175).

The spelling of 130424144 in words is "one hundred thirty million, four hundred twenty-four thousand, one hundred forty-four".