134207543 has 2 divisors, whose sum is σ = 134207544. Its totient is φ = 134207542.

The previous prime is 134207539. The next prime is 134207561. The reversal of 134207543 is 345702431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134207543 - 2² = 134207539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134207243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67103771 + 67103772.

It is an arithmetic number, because the mean of its divisors is an integer number (67103772).

Almost surely, 2^134207543 is an apocalyptic number.

134207543 is a deficient number, since it is larger than the sum of its proper divisors (1).

134207543 is an equidigital number, since it uses as much as digits as its factorization.

134207543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 134207543 is about 11584.7979265933. The cubic root of 134207543 is about 511.9870487752.

Adding to 134207543 its reverse (345702431), we get a palindrome (479909974).

The spelling of 134207543 in words is "one hundred thirty-four million, two hundred seven thousand, five hundred forty-three".