134744039 has 2 divisors, whose sum is σ = 134744040. Its totient is φ = 134744038.

The previous prime is 134744003. The next prime is 134744041. The reversal of 134744039 is 930447431.

It is a strong prime.

It is an emirp because it is prime and its reverse (930447431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134744039 is a prime.

Together with 134744041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134741039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67372019 + 67372020.

It is an arithmetic number, because the mean of its divisors is an integer number (67372020).

Almost surely, 2^134744039 is an apocalyptic number.

134744039 is a deficient number, since it is larger than the sum of its proper divisors (1).

134744039 is an equidigital number, since it uses as much as digits as its factorization.

134744039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 134744039 is about 11607.9300049578. The cubic root of 134744039 is about 512.6683661775.

The spelling of 134744039 in words is "one hundred thirty-four million, seven hundred forty-four thousand, thirty-nine".