134531443 has 2 divisors, whose sum is σ = 134531444. Its totient is φ = 134531442.

The previous prime is 134531429. The next prime is 134531459. The reversal of 134531443 is 344135431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134531443 - 2²⁵ = 100977011 is a prime.

It is not a weakly prime, because it can be changed into another prime (134532443) 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, 67265721 + 67265722.

It is an arithmetic number, because the mean of its divisors is an integer number (67265722).

Almost surely, 2^134531443 is an apocalyptic number.

134531443 is a deficient number, since it is larger than the sum of its proper divisors (1).

134531443 is an equidigital number, since it uses as much as digits as its factorization.

134531443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 134531443 is about 11598.7690295134. The cubic root of 134531443 is about 512.3985988558.

Adding to 134531443 its reverse (344135431), we get a palindrome (478666874).

The spelling of 134531443 in words is "one hundred thirty-four million, five hundred thirty-one thousand, four hundred forty-three".