134543551 has 2 divisors, whose sum is σ = 134543552. Its totient is φ = 134543550.

The previous prime is 134543533. The next prime is 134543597. The reversal of 134543551 is 155345431.

134543551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134543551 is a 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 (134543501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67271775 + 67271776.

It is an arithmetic number, because the mean of its divisors is an integer number (67271776).

Almost surely, 2^134543551 is an apocalyptic number.

134543551 is a deficient number, since it is larger than the sum of its proper divisors (1).

134543551 is an equidigital number, since it uses as much as digits as its factorization.

134543551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 134543551 is about 11599.2909697102. The cubic root of 134543551 is about 512.4139705686.

Adding to 134543551 its reverse (155345431), we get a palindrome (289888982).

The spelling of 134543551 in words is "one hundred thirty-four million, five hundred forty-three thousand, five hundred fifty-one".