13234420154513 has 4 divisors (see below), whose sum is σ = 13269901174068. Its totient is φ = 13198939134960.

The previous prime is 13234420154471. The next prime is 13234420154533. The reversal of 13234420154513 is 31545102443231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4601677103104 + 8632743051409 = 2145152^2 + 2938153^2 .

It is a cyclic number.

It is not a de Polignac number, because 13234420154513 - 2²⁴ = 13234403377297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13234420154533) 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, 17740509218 + ... + 17740509963.

It is an arithmetic number, because the mean of its divisors is an integer number (3317475293517).

Almost surely, 2^{13234420154513} is an apocalyptic number.

It is an amenable number.

13234420154513 is a deficient number, since it is larger than the sum of its proper divisors (35481019555).

13234420154513 is an equidigital number, since it uses as much as digits as its factorization.

13234420154513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35481019554.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 13234420154513 its reverse (31545102443231), we get a palindrome (44779522597744).

The spelling of 13234420154513 in words is "thirteen trillion, two hundred thirty-four billion, four hundred twenty million, one hundred fifty-four thousand, five hundred thirteen".