134251543 has 2 divisors, whose sum is σ = 134251544. Its totient is φ = 134251542.

The previous prime is 134251531. The next prime is 134251561. The reversal of 134251543 is 345152431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134251543 - 2²⁵ = 100697111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134251043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67125771 + 67125772.

It is an arithmetic number, because the mean of its divisors is an integer number (67125772).

Almost surely, 2^134251543 is an apocalyptic number.

134251543 is a deficient number, since it is larger than the sum of its proper divisors (1).

134251543 is an equidigital number, since it uses as much as digits as its factorization.

134251543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 134251543 is about 11586.6968114299. The cubic root of 134251543 is about 512.0429943855.

The spelling of 134251543 in words is "one hundred thirty-four million, two hundred fifty-one thousand, five hundred forty-three".