132505543 has 4 divisors (see below), whose sum is σ = 133171600. Its totient is φ = 131839488.

The previous prime is 132505537. The next prime is 132505579. The reversal of 132505543 is 345505231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132505543 - 2⁵ = 132505511 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 (132505343) 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, 332730 + ... + 333127.

It is an arithmetic number, because the mean of its divisors is an integer number (33292900).

Almost surely, 2^132505543 is an apocalyptic number.

132505543 is a deficient number, since it is larger than the sum of its proper divisors (666057).

132505543 is an equidigital number, since it uses as much as digits as its factorization.

132505543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666056.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 132505543 is about 11511.1052032374. The cubic root of 132505543 is about 509.8135201860.

The spelling of 132505543 in words is "one hundred thirty-two million, five hundred five thousand, five hundred forty-three".