134321843 has 2 divisors, whose sum is σ = 134321844. Its totient is φ = 134321842.

The previous prime is 134321839. The next prime is 134321903. The reversal of 134321843 is 348123431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134321843 - 2² = 134321839 is a prime.

It is not a weakly prime, because it can be changed into another prime (134321813) 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, 67160921 + 67160922.

It is an arithmetic number, because the mean of its divisors is an integer number (67160922).

Almost surely, 2^134321843 is an apocalyptic number.

134321843 is a deficient number, since it is larger than the sum of its proper divisors (1).

134321843 is an equidigital number, since it uses as much as digits as its factorization.

134321843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 134321843 is about 11589.7300658816. The cubic root of 134321843 is about 512.1323548512.

The spelling of 134321843 in words is "one hundred thirty-four million, three hundred twenty-one thousand, eight hundred forty-three".