131530159 has 8 divisors (see below), whose sum is σ = 133789040. Its totient is φ = 129283776.

The previous prime is 131530129. The next prime is 131530171. The reversal of 131530159 is 951035131.

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-131530159 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 (131530129) 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, 19477 + ... + 25345.

It is an arithmetic number, because the mean of its divisors is an integer number (16723630).

Almost surely, 2^131530159 is an apocalyptic number.

131530159 is a deficient number, since it is larger than the sum of its proper divisors (2258881).

131530159 is an equidigital number, since it uses as much as digits as its factorization.

131530159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 131530159 is about 11468.6598606812. The cubic root of 131530159 is about 508.5595120216.

The spelling of 131530159 in words is "one hundred thirty-one million, five hundred thirty thousand, one hundred fifty-nine".