130442308 has 12 divisors (see below), whose sum is σ = 230534892. Its totient is φ = 64575200.

The previous prime is 130442297. The next prime is 130442359. The reversal of 130442308 is 803244031.

It can be written as a sum of positive squares in 2 ways, for example, as 85525504 + 44916804 = 9248^2 + 6702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161035 + ... + 161842.

It is an arithmetic number, because the mean of its divisors is an integer number (19211241).

Almost surely, 2^130442308 is an apocalyptic number.

It is an amenable number.

130442308 is a deficient number, since it is larger than the sum of its proper divisors (100092584).

130442308 is a wasteful number, since it uses less digits than its factorization.

130442308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322982 (or 322980 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 130442308 is about 11421.1342694148. The cubic root of 130442308 is about 507.1535752885.

Adding to 130442308 its reverse (803244031), we get a palindrome (933686339).

The spelling of 130442308 in words is "one hundred thirty million, four hundred forty-two thousand, three hundred eight".