131782684 has 24 divisors (see below), whose sum is σ = 252202608. Its totient is φ = 59754240.

The previous prime is 131782681. The next prime is 131782711. The reversal of 131782684 is 486287131.

131782684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131782681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15594 + ... + 22510.

It is an arithmetic number, because the mean of its divisors is an integer number (10508442).

Almost surely, 2^131782684 is an apocalyptic number.

It is an amenable number.

131782684 is a deficient number, since it is larger than the sum of its proper divisors (120419924).

131782684 is a wasteful number, since it uses less digits than its factorization.

131782684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365 (or 7363 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 131782684 is about 11479.6639323632. The cubic root of 131782684 is about 508.8847654138.

The spelling of 131782684 in words is "one hundred thirty-one million, seven hundred eighty-two thousand, six hundred eighty-four".