131877583646 has 16 divisors (see below), whose sum is σ = 201197077200. Its totient is φ = 64821016320.

The previous prime is 131877583637. The next prime is 131877583709. The reversal of 131877583646 is 646385778131.

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 7 ways as a sum of consecutive naturals, for example, 2252240 + ... + 2310051.

It is an arithmetic number, because the mean of its divisors is an integer number (12574817325).

Almost surely, 2^131877583646 is an apocalyptic number.

131877583646 is a deficient number, since it is larger than the sum of its proper divisors (69319493554).

131877583646 is a wasteful number, since it uses less digits than its factorization.

131877583646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562539.

The product of its digits is 20321280, while the sum is 59.

The spelling of 131877583646 in words is "one hundred thirty-one billion, eight hundred seventy-seven million, five hundred eighty-three thousand, six hundred forty-six".