132532421 has 4 divisors (see below), whose sum is σ = 151465632. Its totient is φ = 113599212.

The previous prime is 132532399. The next prime is 132532423. The reversal of 132532421 is 124235231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132532421 - 2¹⁸ = 132270277 is a prime.

It is a super-3 number, since 3×132532421³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132532423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9466595 + ... + 9466608.

It is an arithmetic number, because the mean of its divisors is an integer number (37866408).

Almost surely, 2^132532421 is an apocalyptic number.

It is an amenable number.

132532421 is a deficient number, since it is larger than the sum of its proper divisors (18933211).

132532421 is an equidigital number, since it uses as much as digits as its factorization.

132532421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933210.

The product of its digits is 1440, while the sum is 23.

The square root of 132532421 is about 11512.2726253334. The cubic root of 132532421 is about 509.8479887853.

Adding to 132532421 its reverse (124235231), we get a palindrome (256767652).

The spelling of 132532421 in words is "one hundred thirty-two million, five hundred thirty-two thousand, four hundred twenty-one".