134040443 has 2 divisors, whose sum is σ = 134040444. Its totient is φ = 134040442.

The previous prime is 134040409. The next prime is 134040451. The reversal of 134040443 is 344040431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134040443 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (134040463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67020221 + 67020222.

It is an arithmetic number, because the mean of its divisors is an integer number (67020222).

Almost surely, 2^134040443 is an apocalyptic number.

134040443 is a deficient number, since it is larger than the sum of its proper divisors (1).

134040443 is an equidigital number, since it uses as much as digits as its factorization.

134040443 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 134040443 is about 11577.5836425396. The cubic root of 134040443 is about 511.7744711374.

Adding to 134040443 its reverse (344040431), we get a palindrome (478080874).

The spelling of 134040443 in words is "one hundred thirty-four million, forty thousand, four hundred forty-three".