132531 has 8 divisors (see below), whose sum is σ = 201984. Its totient is φ = 75720.

The previous prime is 132529. The next prime is 132533. The reversal of 132531 is 135231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (132529) and next prime (132533).

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

It is not a de Polignac number, because 132531 - 2¹ = 132529 is a prime.

It is a super-2 number, since 2×132531² = 35128931922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132531.

It is not an unprimeable number, because it can be changed into a prime (132533) 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, 3135 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (25248).

2¹³²⁵³¹ is an apocalyptic number.

132531 is a deficient number, since it is larger than the sum of its proper divisors (69453).

132531 is an equidigital number, since it uses as much as digits as its factorization.

132531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321.

The product of its digits is 90, while the sum is 15.

The square root of 132531 is about 364.0480737485. The cubic root of 132531 is about 50.9846166598.

Adding to 132531 its reverse (135231), we get a palindrome (267762).

The spelling of 132531 in words is "one hundred thirty-two thousand, five hundred thirty-one".