8139646131080 has 32 divisors (see below), whose sum is σ = 18503010028440. Its totient is φ = 3222292899840.

The previous prime is 8139646131049. The next prime is 8139646131109. The reversal of 8139646131080 is 801316469318.

It can be written as a sum of positive squares in 4 ways, for example, as 7411037071684 + 728609059396 = 2722322^2 + 853586^2 .

It is a super-2 number, since 2×8139646131080² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1048919591 + ... + 1048927350.

Almost surely, 2^{8139646131080} is an apocalyptic number.

It is an amenable number.

8139646131080 is an abundant number, since it is smaller than the sum of its proper divisors (10363363897360).

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

8139646131080 is a wasteful number, since it uses less digits than its factorization.

8139646131080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097847049 (or 2097847045 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 8139646131080 in words is "eight trillion, one hundred thirty-nine billion, six hundred forty-six million, one hundred thirty-one thousand, eighty".