131764786576 has 20 divisors (see below), whose sum is σ = 262194120412. Its totient is φ = 64101787776.

The previous prime is 131764786537. The next prime is 131764786607. The reversal of 131764786576 is 675687467131.

It can be written as a sum of positive squares in 2 ways, for example, as 126895538176 + 4869248400 = 356224^2 + 69780^2 .

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, 111287235 + ... + 111288418.

Almost surely, 2^131764786576 is an apocalyptic number.

131764786576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131764786576 is a deficient number, since it is larger than the sum of its proper divisors (130429333836).

131764786576 is a wasteful number, since it uses less digits than its factorization.

131764786576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222575698 (or 222575692 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 61.

The spelling of 131764786576 in words is "one hundred thirty-one billion, seven hundred sixty-four million, seven hundred eighty-six thousand, five hundred seventy-six".