131508671 has 16 divisors (see below), whose sum is σ = 159701760. Its totient is φ = 105779520.

The previous prime is 131508661. The next prime is 131508691. The reversal of 131508671 is 176805131.

It is not a de Polignac number, because 131508671 - 2²² = 127314367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131508631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9611 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (9981360).

Almost surely, 2^131508671 is an apocalyptic number.

131508671 is a deficient number, since it is larger than the sum of its proper divisors (28193089).

131508671 is a wasteful number, since it uses less digits than its factorization.

131508671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 131508671 is about 11467.7230085139. The cubic root of 131508671 is about 508.5318161632.

The spelling of 131508671 in words is "one hundred thirty-one million, five hundred eight thousand, six hundred seventy-one".