132440239 has 2 divisors, whose sum is σ = 132440240. Its totient is φ = 132440238.

The previous prime is 132440237. The next prime is 132440257. The reversal of 132440239 is 932044231.

It is a weak prime.

It is an emirp because it is prime and its reverse (932044231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132440239 - 2¹ = 132440237 is a prime.

Together with 132440237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132440237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66220119 + 66220120.

It is an arithmetic number, because the mean of its divisors is an integer number (66220120).

Almost surely, 2^132440239 is an apocalyptic number.

132440239 is a deficient number, since it is larger than the sum of its proper divisors (1).

132440239 is an equidigital number, since it uses as much as digits as its factorization.

132440239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 132440239 is about 11508.2682884959. The cubic root of 132440239 is about 509.7297542992.

The spelling of 132440239 in words is "one hundred thirty-two million, four hundred forty thousand, two hundred thirty-nine".