134243243 has 2 divisors, whose sum is σ = 134243244. Its totient is φ = 134243242.

The previous prime is 134243177. The next prime is 134243251. The reversal of 134243243 is 342342431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134243243 - 2¹⁰ = 134242219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134243743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121621 + 67121622.

It is an arithmetic number, because the mean of its divisors is an integer number (67121622).

Almost surely, 2^134243243 is an apocalyptic number.

134243243 is a deficient number, since it is larger than the sum of its proper divisors (1).

134243243 is an equidigital number, since it uses as much as digits as its factorization.

134243243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 134243243 is about 11586.3386365150. The cubic root of 134243243 is about 512.0324419446.

Adding to 134243243 its reverse (342342431), we get a palindrome (476585674).

The spelling of 134243243 in words is "one hundred thirty-four million, two hundred forty-three thousand, two hundred forty-three".