134966543 has 2 divisors, whose sum is σ = 134966544. Its totient is φ = 134966542.

The previous prime is 134966501. The next prime is 134966581. The reversal of 134966543 is 345669431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134966543 - 2¹⁴ = 134950159 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134966543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134966593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67483271 + 67483272.

It is an arithmetic number, because the mean of its divisors is an integer number (67483272).

Almost surely, 2^134966543 is an apocalyptic number.

134966543 is a deficient number, since it is larger than the sum of its proper divisors (1).

134966543 is an equidigital number, since it uses as much as digits as its factorization.

134966543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 134966543 is about 11617.5101893650. The cubic root of 134966543 is about 512.9504022311.

The spelling of 134966543 in words is "one hundred thirty-four million, nine hundred sixty-six thousand, five hundred forty-three".