134220239 has 2 divisors, whose sum is σ = 134220240. Its totient is φ = 134220238.

The previous prime is 134220217. The next prime is 134220257. The reversal of 134220239 is 932022431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134220239 - 2⁸ = 134219983 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134220259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67110119 + 67110120.

It is an arithmetic number, because the mean of its divisors is an integer number (67110120).

Almost surely, 2^134220239 is an apocalyptic number.

134220239 is a deficient number, since it is larger than the sum of its proper divisors (1).

134220239 is an equidigital number, since it uses as much as digits as its factorization.

134220239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 134220239 is about 11585.3458731278. The cubic root of 134220239 is about 512.0031928817.

The spelling of 134220239 in words is "one hundred thirty-four million, two hundred twenty thousand, two hundred thirty-nine".