130860081845 has 4 divisors (see below), whose sum is σ = 157032098220. Its totient is φ = 104688065472.

The previous prime is 130860081829. The next prime is 130860081857. The reversal of 130860081845 is 548180068031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548180068031 = 31 ⋅17683228001.

It can be written as a sum of positive squares in 2 ways, for example, as 89344796836 + 41515285009 = 298906^2 + 203753^2 .

It is a cyclic number.

It is not a de Polignac number, because 130860081845 - 2⁴ = 130860081829 is a prime.

It is a super-2 number, since 2×130860081845² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130860081796 and 130860081805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13086008180 + ... + 13086008189.

It is an arithmetic number, because the mean of its divisors is an integer number (39258024555).

Almost surely, 2^130860081845 is an apocalyptic number.

It is an amenable number.

130860081845 is a deficient number, since it is larger than the sum of its proper divisors (26172016375).

130860081845 is an equidigital number, since it uses as much as digits as its factorization.

130860081845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26172016374.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 130860081845 in words is "one hundred thirty billion, eight hundred sixty million, eighty-one thousand, eight hundred forty-five".