134212543 has 2 divisors, whose sum is σ = 134212544. Its totient is φ = 134212542.

The previous prime is 134212517. The next prime is 134212553. The reversal of 134212543 is 345212431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134212543 - 2⁹ = 134212031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134212553) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67106271 + 67106272.

It is an arithmetic number, because the mean of its divisors is an integer number (67106272).

Almost surely, 2^134212543 is an apocalyptic number.

134212543 is a deficient number, since it is larger than the sum of its proper divisors (1).

134212543 is an equidigital number, since it uses as much as digits as its factorization.

134212543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 134212543 is about 11585.0137246358. The cubic root of 134212543 is about 511.9934068467.

Adding to 134212543 its reverse (345212431), we get a palindrome (479424974).

The spelling of 134212543 in words is "one hundred thirty-four million, two hundred twelve thousand, five hundred forty-three".