130444305 has 16 divisors (see below), whose sum is σ = 209205504. Its totient is φ = 69405440.

The previous prime is 130444283. The next prime is 130444331. The reversal of 130444305 is 503444031.

It is not a de Polignac number, because 130444305 - 2⁹ = 130443793 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3624 + ... + 16553.

It is an arithmetic number, because the mean of its divisors is an integer number (13075344).

Almost surely, 2^130444305 is an apocalyptic number.

130444305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130444305 is a deficient number, since it is larger than the sum of its proper divisors (78761199).

130444305 is a wasteful number, since it uses less digits than its factorization.

130444305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20616.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130444305 is about 11421.2216947225. The cubic root of 130444305 is about 507.1561633561.

Adding to 130444305 its reverse (503444031), we get a palindrome (633888336).

The spelling of 130444305 in words is "one hundred thirty million, four hundred forty-four thousand, three hundred five".