134305343341021 has 8 divisors (see below), whose sum is σ = 134409578327640. Its totient is φ = 134201148245568.

The previous prime is 134305343341019. The next prime is 134305343341063. The reversal of 134305343341021 is 120143343503431.

It can be written as a sum of positive squares in 4 ways, for example, as 64031827956121 + 70273515384900 = 8001989^2 + 8382930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134305343341021 - 2¹ = 134305343341019 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 (134305343351021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234826 + ... + 16705531.

It is an arithmetic number, because the mean of its divisors is an integer number (16801197290955).

Almost surely, 2^{134305343341021} is an apocalyptic number.

It is an amenable number.

134305343341021 is a deficient number, since it is larger than the sum of its proper divisors (104234986619).

134305343341021 is a wasteful number, since it uses less digits than its factorization.

134305343341021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19945583.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 134305343341021 its reverse (120143343503431), we get a palindrome (254448686844452).

The spelling of 134305343341021 in words is "one hundred thirty-four trillion, three hundred five billion, three hundred forty-three million, three hundred forty-one thousand, twenty-one".