134001239 has 2 divisors, whose sum is σ = 134001240. Its totient is φ = 134001238.

The previous prime is 134001233. The next prime is 134001253. The reversal of 134001239 is 932100431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134001239 - 2⁸ = 134000983 is a 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 (134001233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67000619 + 67000620.

It is an arithmetic number, because the mean of its divisors is an integer number (67000620).

Almost surely, 2^134001239 is an apocalyptic number.

134001239 is a deficient number, since it is larger than the sum of its proper divisors (1).

134001239 is an equidigital number, since it uses as much as digits as its factorization.

134001239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 134001239 is about 11575.8904193155. The cubic root of 134001239 is about 511.7245718624.

The spelling of 134001239 in words is "one hundred thirty-four million, one thousand, two hundred thirty-nine".