131716747 has 8 divisors (see below), whose sum is σ = 133855344. Its totient is φ = 129587328.

The previous prime is 131716687. The next prime is 131716763. The reversal of 131716747 is 747617131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131716747 - 2⁷ = 131716619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131711747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30303 + ... + 34375.

It is an arithmetic number, because the mean of its divisors is an integer number (16731918).

Almost surely, 2^131716747 is an apocalyptic number.

131716747 is a deficient number, since it is larger than the sum of its proper divisors (2138597).

131716747 is an equidigital number, since it uses as much as digits as its factorization.

131716747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its digits is 24696, while the sum is 37.

The square root of 131716747 is about 11476.7916684063. The cubic root of 131716747 is about 508.7998783568.

The spelling of 131716747 in words is "one hundred thirty-one million, seven hundred sixteen thousand, seven hundred forty-seven".