134204243 has 2 divisors, whose sum is σ = 134204244. Its totient is φ = 134204242.

The previous prime is 134204233. The next prime is 134204249. The reversal of 134204243 is 342402431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134204243 - 2⁴ = 134204227 is a prime.

It is not a weakly prime, because it can be changed into another prime (134204249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67102121 + 67102122.

It is an arithmetic number, because the mean of its divisors is an integer number (67102122).

Almost surely, 2^134204243 is an apocalyptic number.

134204243 is a deficient number, since it is larger than the sum of its proper divisors (1).

134204243 is an equidigital number, since it uses as much as digits as its factorization.

134204243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 134204243 is about 11584.6554976831. The cubic root of 134204243 is about 511.9828523615.

Adding to 134204243 its reverse (342402431), we get a palindrome (476606674).

The spelling of 134204243 in words is "one hundred thirty-four million, two hundred four thousand, two hundred forty-three".