131682786494 has 12 divisors (see below), whose sum is σ = 229773025584. Its totient is φ = 56435479884.

The previous prime is 131682786479. The next prime is 131682786503. The reversal of 131682786494 is 494687286131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 671850854 + ... + 671851049.

It is an arithmetic number, because the mean of its divisors is an integer number (19147752132).

Almost surely, 2^131682786494 is an apocalyptic number.

131682786494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131682786494 is a deficient number, since it is larger than the sum of its proper divisors (98090239090).

131682786494 is a wasteful number, since it uses less digits than its factorization.

131682786494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343701919 (or 1343701912 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The spelling of 131682786494 in words is "one hundred thirty-one billion, six hundred eighty-two million, seven hundred eighty-six thousand, four hundred ninety-four".