134243743 has 2 divisors, whose sum is σ = 134243744. Its totient is φ = 134243742.

The previous prime is 134243741. The next prime is 134243749. The reversal of 134243743 is 347342431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134243743 - 2¹ = 134243741 is a prime.

Together with 134243741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134243741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121871 + 67121872.

It is an arithmetic number, because the mean of its divisors is an integer number (67121872).

Almost surely, 2^134243743 is an apocalyptic number.

134243743 is a deficient number, since it is larger than the sum of its proper divisors (1).

134243743 is an equidigital number, since it uses as much as digits as its factorization.

134243743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 134243743 is about 11586.3602136305. The cubic root of 134243743 is about 512.0330776461.

The spelling of 134243743 in words is "one hundred thirty-four million, two hundred forty-three thousand, seven hundred forty-three".