134421331443013 has 8 divisors (see below), whose sum is σ = 135817848412920. Its totient is φ = 133026100996800.

The previous prime is 134421331443011. The next prime is 134421331443037. The reversal of 134421331443013 is 310344133124431.

It can be written as a sum of positive squares in 4 ways, for example, as 9528346587204 + 124892984855809 = 3086802^2 + 11175553^2 .

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 134421331443013 - 2¹ = 134421331443011 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 (134421331443011) 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, 321420870 + ... + 321838807.

It is an arithmetic number, because the mean of its divisors is an integer number (16977231051615).

Almost surely, 2^{134421331443013} is an apocalyptic number.

It is an amenable number.

134421331443013 is a deficient number, since it is larger than the sum of its proper divisors (1396516969907).

134421331443013 is a wasteful number, since it uses less digits than its factorization.

134421331443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643261847.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 134421331443013 its reverse (310344133124431), we get a palindrome (444765464567444).

The spelling of 134421331443013 in words is "one hundred thirty-four trillion, four hundred twenty-one billion, three hundred thirty-one million, four hundred forty-three thousand, thirteen".