130305838442 has 16 divisors (see below), whose sum is σ = 210667629480. Its totient is φ = 60091561152.

The previous prime is 130305838391. The next prime is 130305838561. The reversal of 130305838442 is 244838503031.

It is a Cunningham number, because it is equal to 360979²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 41322351841 + 88983486601 = 203279^2 + 298301^2 .

It is a super-2 number, since 2×130305838442² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130305838442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034317 + ... + 2097392.

Almost surely, 2^130305838442 is an apocalyptic number.

130305838442 is a deficient number, since it is larger than the sum of its proper divisors (80361791038).

130305838442 is a wasteful number, since it uses less digits than its factorization.

130305838442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132937.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 130305838442 in words is "one hundred thirty billion, three hundred five million, eight hundred thirty-eight thousand, four hundred forty-two".