134430400493 has 2 divisors, whose sum is σ = 134430400494. Its totient is φ = 134430400492.

The previous prime is 134430400411. The next prime is 134430400513. The reversal of 134430400493 is 394004034431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127336212964 + 7094187529 = 356842^2 + 84227^2 .

It is a cyclic number.

It is not a de Polignac number, because 134430400493 - 2²⁸ = 134161965037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134430400193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67215200246 + 67215200247.

It is an arithmetic number, because the mean of its divisors is an integer number (67215200247).

Almost surely, 2^134430400493 is an apocalyptic number.

It is an amenable number.

134430400493 is a deficient number, since it is larger than the sum of its proper divisors (1).

134430400493 is an equidigital number, since it uses as much as digits as its factorization.

134430400493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 134430400493 in words is "one hundred thirty-four billion, four hundred thirty million, four hundred thousand, four hundred ninety-three".