13134413261 has 2 divisors, whose sum is σ = 13134413262. Its totient is φ = 13134413260.

The previous prime is 13134413251. The next prime is 13134413351. The reversal of 13134413261 is 16231443131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10332722500 + 2801690761 = 101650^2 + 52931^2 .

It is an emirp because it is prime and its reverse (16231443131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13134413261 - 2¹⁰ = 13134412237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13134413221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567206630 + 6567206631.

It is an arithmetic number, because the mean of its divisors is an integer number (6567206631).

Almost surely, 2^13134413261 is an apocalyptic number.

It is an amenable number.

13134413261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134413261 is an equidigital number, since it uses as much as digits as its factorization.

13134413261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

Adding to 13134413261 its reverse (16231443131), we get a palindrome (29365856392).

The spelling of 13134413261 in words is "thirteen billion, one hundred thirty-four million, four hundred thirteen thousand, two hundred sixty-one".