130442344 has 8 divisors (see below), whose sum is σ = 244579410. Its totient is φ = 65221168.

The previous prime is 130442297. The next prime is 130442359. The reversal of 130442344 is 443244031.

It can be written as a sum of positive squares in only one way, i.e., 93354244 + 37088100 = 9662^2 + 6090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8152639 + ... + 8152654.

Almost surely, 2^130442344 is an apocalyptic number.

It is an amenable number.

130442344 is a deficient number, since it is larger than the sum of its proper divisors (114137066).

130442344 is a wasteful number, since it uses less digits than its factorization.

130442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16305299 (or 16305295 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 130442344 is about 11421.1358454402. The cubic root of 130442344 is about 507.1536219440.

Adding to 130442344 its reverse (443244031), we get a palindrome (573686375).

The spelling of 130442344 in words is "one hundred thirty million, four hundred forty-two thousand, three hundred forty-four".