130551721796439 has 12 divisors (see below), whose sum is σ = 188802731895336. Its totient is φ = 86929239982032.

The previous prime is 130551721796371. The next prime is 130551721796453. The reversal of 130551721796439 is 934697127155031.

130551721796439 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 517 + 2 + 1 + 79 + 6 + 43 + 9 = 666.

It is not a de Polignac number, because 130551721796439 - 2⁷ = 130551721796311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130551721716439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8770093444 + ... + 8770108329.

It is an arithmetic number, because the mean of its divisors is an integer number (15733560991278).

Almost surely, 2^{130551721796439} is an apocalyptic number.

130551721796439 is a deficient number, since it is larger than the sum of its proper divisors (58251010098897).

130551721796439 is a wasteful number, since it uses less digits than its factorization.

130551721796439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540202606 (or 17540202603 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 130551721796439 in words is "one hundred thirty trillion, five hundred fifty-one billion, seven hundred twenty-one million, seven hundred ninety-six thousand, four hundred thirty-nine".