142660339 has 2 divisors, whose sum is σ = 142660340. Its totient is φ = 142660338.

The previous prime is 142660337. The next prime is 142660363. The reversal of 142660339 is 933066241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142660339 - 2¹ = 142660337 is a prime.

Together with 142660337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142660337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71330169 + 71330170.

It is an arithmetic number, because the mean of its divisors is an integer number (71330170).

Almost surely, 2^142660339 is an apocalyptic number.

142660339 is a deficient number, since it is larger than the sum of its proper divisors (1).

142660339 is an equidigital number, since it uses as much as digits as its factorization.

142660339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 142660339 is about 11944.0503599072. The cubic root of 142660339 is about 522.5177930954.

The spelling of 142660339 in words is "one hundred forty-two million, six hundred sixty thousand, three hundred thirty-nine".