130305441 has 8 divisors (see below), whose sum is σ = 198560704. Its totient is φ = 74460240.

The previous prime is 130305433. The next prime is 130305443. The reversal of 130305441 is 144503031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130305441 - 2³ = 130305433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6205021 = 130305441 / (1 + 3 + 0 + 3 + 0 + 5 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130305443) 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 7 ways as a sum of consecutive naturals, for example, 3102490 + ... + 3102531.

It is an arithmetic number, because the mean of its divisors is an integer number (24820088).

Almost surely, 2^130305441 is an apocalyptic number.

It is an amenable number.

130305441 is a deficient number, since it is larger than the sum of its proper divisors (68255263).

130305441 is an equidigital number, since it uses as much as digits as its factorization.

130305441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205031.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130305441 is about 11415.1408664107. The cubic root of 130305441 is about 506.9761357222.

Adding to 130305441 its reverse (144503031), we get a palindrome (274808472).

The spelling of 130305441 in words is "one hundred thirty million, three hundred five thousand, four hundred forty-one".