132539999 has 2 divisors, whose sum is σ = 132540000. Its totient is φ = 132539998.

The previous prime is 132539989. The next prime is 132540017. The reversal of 132539999 is 999935231.

It is a weak prime.

It is an emirp because it is prime and its reverse (999935231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132539999 - 2⁴ = 132539983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132539929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66269999 + 66270000.

It is an arithmetic number, because the mean of its divisors is an integer number (66270000).

Almost surely, 2^132539999 is an apocalyptic number.

132539999 is a deficient number, since it is larger than the sum of its proper divisors (1).

132539999 is an equidigital number, since it uses as much as digits as its factorization.

132539999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 590490, while the sum is 50.

The square root of 132539999 is about 11512.6017476503. The cubic root of 132539999 is about 509.8577060414.

The spelling of 132539999 in words is "one hundred thirty-two million, five hundred thirty-nine thousand, nine hundred ninety-nine".