131700673556 has 12 divisors (see below), whose sum is σ = 230481415668. Its totient is φ = 65848840512.

The previous prime is 131700673547. The next prime is 131700673571. The reversal of 131700673556 is 655376007131.

It can be written as a sum of positive squares in 2 ways, for example, as 78335053456 + 53365620100 = 279884^2 + 231010^2 .

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, 162761 + ... + 538416.

It is an arithmetic number, because the mean of its divisors is an integer number (19206784639).

Almost surely, 2^131700673556 is an apocalyptic number.

It is an amenable number.

131700673556 is a deficient number, since it is larger than the sum of its proper divisors (98780742112).

131700673556 is a wasteful number, since it uses less digits than its factorization.

131700673556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748138 (or 748136 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 131700673556 in words is "one hundred thirty-one billion, seven hundred million, six hundred seventy-three thousand, five hundred fifty-six".