131466183786 has 48 divisors (see below), whose sum is σ = 337592184384. Its totient is φ = 37561765824.

The previous prime is 131466183763. The next prime is 131466183799. The reversal of 131466183786 is 687381664131.

131466183786 is a `hidden beast` number, since 1 + 3 + 14 + 6 + 618 + 3 + 7 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19318495 + ... + 19325298.

It is an arithmetic number, because the mean of its divisors is an integer number (7033170508).

Almost surely, 2^131466183786 is an apocalyptic number.

131466183786 is an abundant number, since it is smaller than the sum of its proper divisors (206126000598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131466183786 is an equidigital number, since it uses as much as digits as its factorization.

131466183786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38643817 (or 38643805 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 131466183786 in words is "one hundred thirty-one billion, four hundred sixty-six million, one hundred eighty-three thousand, seven hundred eighty-six".