131716913 has 4 divisors (see below), whose sum is σ = 131739888. Its totient is φ = 131693940.

The previous prime is 131716909. The next prime is 131716919. The reversal of 131716913 is 319617131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 319617131 = 23 ⋅13896397.

It is a cyclic number.

It is not a de Polignac number, because 131716913 - 2² = 131716909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131716913.

It is not an unprimeable number, because it can be changed into a prime (131716919) 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 3 ways as a sum of consecutive naturals, for example, 5018 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (32934972).

Almost surely, 2^131716913 is an apocalyptic number.

It is an amenable number.

131716913 is a deficient number, since it is larger than the sum of its proper divisors (22975).

131716913 is a wasteful number, since it uses less digits than its factorization.

131716913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22974.

The product of its digits is 3402, while the sum is 32.

The square root of 131716913 is about 11476.7989003903. The cubic root of 131716913 is about 508.8000921002.

The spelling of 131716913 in words is "one hundred thirty-one million, seven hundred sixteen thousand, nine hundred thirteen".