132542239 has 2 divisors, whose sum is σ = 132542240. Its totient is φ = 132542238.

The previous prime is 132542237. The next prime is 132542257. The reversal of 132542239 is 932245231.

It is a weak prime.

It is an emirp because it is prime and its reverse (932245231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132542239 - 2¹ = 132542237 is a prime.

Together with 132542237, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 132542239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132542237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66271119 + 66271120.

It is an arithmetic number, because the mean of its divisors is an integer number (66271120).

Almost surely, 2^132542239 is an apocalyptic number.

132542239 is a deficient number, since it is larger than the sum of its proper divisors (1).

132542239 is an equidigital number, since it uses as much as digits as its factorization.

132542239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 132542239 is about 11512.6990319386. The cubic root of 132542239 is about 509.8605783185.

The spelling of 132542239 in words is "one hundred thirty-two million, five hundred forty-two thousand, two hundred thirty-nine".