134530400243 has 2 divisors, whose sum is σ = 134530400244. Its totient is φ = 134530400242.

The previous prime is 134530400219. The next prime is 134530400281. The reversal of 134530400243 is 342004035431.

It is a weak prime.

It is an emirp because it is prime and its reverse (342004035431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134530400243 - 2⁸ = 134530399987 is a prime.

It is not a weakly prime, because it can be changed into another prime (134530400203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67265200121 + 67265200122.

It is an arithmetic number, because the mean of its divisors is an integer number (67265200122).

Almost surely, 2^134530400243 is an apocalyptic number.

134530400243 is a deficient number, since it is larger than the sum of its proper divisors (1).

134530400243 is an equidigital number, since it uses as much as digits as its factorization.

134530400243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 134530400243 its reverse (342004035431), we get a palindrome (476534435674).

The spelling of 134530400243 in words is "one hundred thirty-four billion, five hundred thirty million, four hundred thousand, two hundred forty-three".