131041009 has 8 divisors (see below), whose sum is σ = 143144928. Its totient is φ = 118968960.

The previous prime is 131041007. The next prime is 131041021. The reversal of 131041009 is 900140131.

It is a happy number.

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

It is not a de Polignac number, because 131041009 - 2¹ = 131041007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131041007) 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, 1089 + ... + 16225.

It is an arithmetic number, because the mean of its divisors is an integer number (17893116).

Almost surely, 2^131041009 is an apocalyptic number.

It is an amenable number.

131041009 is a deficient number, since it is larger than the sum of its proper divisors (12103919).

131041009 is a wasteful number, since it uses less digits than its factorization.

131041009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 131041009 is about 11447.3144885602. The cubic root of 131041009 is about 507.9282983618.

The spelling of 131041009 in words is "one hundred thirty-one million, forty-one thousand, nine".