134243311 has 2 divisors, whose sum is σ = 134243312.
Its totient is φ = 134243310.
The previous prime is 134243279. The next prime is 134243359. The reversal of 134243311 is 113342431.
It is a weak prime.
It is an emirp because it is prime and its reverse (113342431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 134243311 - 25 = 134243279 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 (134243381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121655 + 67121656.
It is an arithmetic number, because the mean of its divisors is an integer number (67121656).
Almost surely, 2134243311 is an apocalyptic number.
134243311 is a deficient number, since it is larger than the sum of its proper divisors (1).
134243311 is an equidigital number, since it uses as much as digits as its factorization.
134243311 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 22.
The square root of 134243311 is about 11586.3415710051.
The cubic root of 134243311 is about 512.0325284001.
Adding to 134243311 its reverse (113342431), we get a palindrome (247585742).
The spelling of 134243311 in words is "one hundred thirty-four million, two hundred forty-three thousand, three hundred eleven".