131529 has 8 divisors (see below), whose sum is σ = 185760. Its totient is φ = 82496.

The previous prime is 131519. The next prime is 131543. The reversal of 131529 is 925131.

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

It is a cyclic number.

It is not a de Polignac number, because 131529 - 2⁵ = 131497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131519) 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, 1239 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2¹³¹⁵²⁹ is an apocalyptic number.

It is an amenable number.

131529 is a deficient number, since it is larger than the sum of its proper divisors (54231).

131529 is a wasteful number, since it uses less digits than its factorization.

131529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599.

The product of its digits is 270, while the sum is 21.

The square root of 131529 is about 362.6692708240. The cubic root of 131529 is about 50.8558018265.

The spelling of 131529 in words is "one hundred thirty-one thousand, five hundred twenty-nine".