131286147 has 8 divisors (see below), whose sum is σ = 180695040. Its totient is φ = 84700680.

The previous prime is 131286107. The next prime is 131286149. The reversal of 131286147 is 741682131.

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

It is not a de Polignac number, because 131286147 - 2¹⁹ = 130761859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131286149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705747 + ... + 705932.

It is an arithmetic number, because the mean of its divisors is an integer number (22586880).

Almost surely, 2^131286147 is an apocalyptic number.

131286147 is a deficient number, since it is larger than the sum of its proper divisors (49408893).

131286147 is a wasteful number, since it uses less digits than its factorization.

131286147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411713.

The product of its digits is 8064, while the sum is 33.

The square root of 131286147 is about 11458.0167132013. The cubic root of 131286147 is about 508.2448276860.

The spelling of 131286147 in words is "one hundred thirty-one million, two hundred eighty-six thousand, one hundred forty-seven".