131291159 has 8 divisors (see below), whose sum is σ = 138306480. Its totient is φ = 124286400.

The previous prime is 131291137. The next prime is 131291179. The reversal of 131291159 is 951192131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131291159 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 (131291179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46529 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (17288310).

Almost surely, 2^131291159 is an apocalyptic number.

131291159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

131291159 is a deficient number, since it is larger than the sum of its proper divisors (7015321).

131291159 is a wasteful number, since it uses less digits than its factorization.

131291159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281.

The product of its digits is 2430, while the sum is 32.

The square root of 131291159 is about 11458.2354226120. The cubic root of 131291159 is about 508.2512952144.

The spelling of 131291159 in words is "one hundred thirty-one million, two hundred ninety-one thousand, one hundred fifty-nine".