130321442 has 16 divisors (see below), whose sum is σ = 199670400. Its totient is φ = 63774480.

The previous prime is 130321417. The next prime is 130321463. The reversal of 130321442 is 244123031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25892 + ... + 30512.

It is an arithmetic number, because the mean of its divisors is an integer number (12479400).

Almost surely, 2^130321442 is an apocalyptic number.

130321442 is a deficient number, since it is larger than the sum of its proper divisors (69348958).

130321442 is a wasteful number, since it uses less digits than its factorization.

130321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130321442 is about 11415.8417122874. The cubic root of 130321442 is about 506.9968864370.

Adding to 130321442 its reverse (244123031), we get a palindrome (374444473).

The spelling of 130321442 in words is "one hundred thirty million, three hundred twenty-one thousand, four hundred forty-two".