134040143 has 2 divisors, whose sum is σ = 134040144. Its totient is φ = 134040142.

The previous prime is 134040107. The next prime is 134040197. The reversal of 134040143 is 341040431.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (341040431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134040143 - 2⁸ = 134039887 is a prime.

It is a Sophie Germain 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 (134040443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67020071 + 67020072.

It is an arithmetic number, because the mean of its divisors is an integer number (67020072).

Almost surely, 2^134040143 is an apocalyptic number.

134040143 is a deficient number, since it is larger than the sum of its proper divisors (1).

134040143 is an equidigital number, since it uses as much as digits as its factorization.

134040143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134040143 is about 11577.5706864610. The cubic root of 134040143 is about 511.7740893311.

Adding to 134040143 its reverse (341040431), we get a palindrome (475080574).

The spelling of 134040143 in words is "one hundred thirty-four million, forty thousand, one hundred forty-three".