131728446712 has 16 divisors (see below), whose sum is σ = 246994698600. Its totient is φ = 65863193760.

The previous prime is 131728446709. The next prime is 131728446727. The reversal of 131728446712 is 217644827131.

It is a super-2 number, since 2×131728446712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 881262 + ... + 1019842.

Almost surely, 2^131728446712 is an apocalyptic number.

It is an amenable number.

131728446712 is a deficient number, since it is larger than the sum of its proper divisors (115266251888).

131728446712 is a wasteful number, since it uses less digits than its factorization.

131728446712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257406 (or 257402 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The spelling of 131728446712 in words is "one hundred thirty-one billion, seven hundred twenty-eight million, four hundred forty-six thousand, seven hundred twelve".