132531432 has 32 divisors (see below), whose sum is σ = 361450080. Its totient is φ = 40160960.

The previous prime is 132531431. The next prime is 132531433. The reversal of 132531432 is 234135231.

It is an interprime number because it is at equal distance from previous prime (132531431) and next prime (132531433).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (132531431) 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, 250743 + ... + 251270.

It is an arithmetic number, because the mean of its divisors is an integer number (11295315).

Almost surely, 2^132531432 is an apocalyptic number.

132531432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132531432 is an abundant number, since it is smaller than the sum of its proper divisors (228918648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132531432 is a wasteful number, since it uses less digits than its factorization.

132531432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502033 (or 502029 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 132531432 is about 11512.2296710933. The cubic root of 132531432 is about 509.8467205650.

Adding to 132531432 its reverse (234135231), we get a palindrome (366666663).

The spelling of 132531432 in words is "one hundred thirty-two million, five hundred thirty-one thousand, four hundred thirty-two".