671986000131 has 64 divisors (see below), whose sum is σ = 1006330106880. Its totient is φ = 396882984960.

The previous prime is 671986000109. The next prime is 671986000139. The reversal of 671986000131 is 131000689176.

It is not a de Polignac number, because 671986000131 - 2³⁴ = 654806130947 is a prime.

It is a super-2 number, since 2×671986000131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671986000139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9577066 + ... + 9646976.

It is an arithmetic number, because the mean of its divisors is an integer number (15723907920).

Almost surely, 2^671986000131 is an apocalyptic number.

671986000131 is a deficient number, since it is larger than the sum of its proper divisors (334344106749).

671986000131 is a wasteful number, since it uses less digits than its factorization.

671986000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70124.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 671986000131 in words is "six hundred seventy-one billion, nine hundred eighty-six million, one hundred thirty-one", and thus it is an aban number.