132543009 has 12 divisors (see below), whose sum is σ = 191911252. Its totient is φ = 88149600.

The previous prime is 132542989. The next prime is 132543017. The reversal of 132543009 is 900345231.

It can be written as a sum of positive squares in 2 ways, for example, as 26040609 + 106502400 = 5103^2 + 10320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132543009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132543029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13702 + ... + 21279.

Almost surely, 2^132543009 is an apocalyptic number.

It is an amenable number.

132543009 is a deficient number, since it is larger than the sum of its proper divisors (59368243).

132543009 is a wasteful number, since it uses less digits than its factorization.

132543009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35408 (or 35405 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 132543009 is about 11512.7324732229. The cubic root of 132543009 is about 509.8615656563.

The spelling of 132543009 in words is "one hundred thirty-two million, five hundred forty-three thousand, nine".