134426516666543 has 4 divisors (see below), whose sum is σ = 134465401980000. Its totient is φ = 134387631353088.

The previous prime is 134426516666531. The next prime is 134426516666549. The reversal of 134426516666543 is 345666615624431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134426516666543 - 2¹⁶ = 134426516601007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134426516666549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19442651543 + ... + 19442658456.

It is an arithmetic number, because the mean of its divisors is an integer number (33616350495000).

Almost surely, 2^{134426516666543} is an apocalyptic number.

134426516666543 is a deficient number, since it is larger than the sum of its proper divisors (38885313457).

134426516666543 is an equidigital number, since it uses as much as digits as its factorization.

134426516666543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38885313456.

The product of its digits is 223948800, while the sum is 62.

The spelling of 134426516666543 in words is "one hundred thirty-four trillion, four hundred twenty-six billion, five hundred sixteen million, six hundred sixty-six thousand, five hundred forty-three".