134040340013 has 4 divisors (see below), whose sum is σ = 134049732348. Its totient is φ = 134030947680.

The previous prime is 134040339997. The next prime is 134040340019. The reversal of 134040340013 is 310043040431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310043040431 = 31 ⋅10001388401.

It can be written as a sum of positive squares in 2 ways, for example, as 45180903364 + 88859436649 = 212558^2 + 298093^2 .

It is a cyclic number.

It is not a de Polignac number, because 134040340013 - 2⁴ = 134040339997 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 (134040340019) 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, 4674728 + ... + 4703313.

It is an arithmetic number, because the mean of its divisors is an integer number (33512433087).

Almost surely, 2^134040340013 is an apocalyptic number.

It is an amenable number.

134040340013 is a deficient number, since it is larger than the sum of its proper divisors (9392335).

134040340013 is an equidigital number, since it uses as much as digits as its factorization.

134040340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392334.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 134040340013 its reverse (310043040431), we get a palindrome (444083380444).

The spelling of 134040340013 in words is "one hundred thirty-four billion, forty million, three hundred forty thousand, thirteen".