130403442 has 24 divisors (see below), whose sum is σ = 282414384. Its totient is φ = 40123824.

The previous prime is 130403431. The next prime is 130403461. The reversal of 130403442 is 244304031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63288 + ... + 65315.

It is an arithmetic number, because the mean of its divisors is an integer number (11767266).

Almost surely, 2^130403442 is an apocalyptic number.

130403442 is an abundant number, since it is smaller than the sum of its proper divisors (152010942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130403442 is a wasteful number, since it uses less digits than its factorization.

130403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128634 (or 128621 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130403442 is about 11419.4326479033. The cubic root of 130403442 is about 507.1032005567.

Adding to 130403442 its reverse (244304031), we get a palindrome (374707473).

The spelling of 130403442 in words is "one hundred thirty million, four hundred three thousand, four hundred forty-two".