13134782657 has 2 divisors, whose sum is σ = 13134782658. Its totient is φ = 13134782656.

The previous prime is 13134782629. The next prime is 13134782671. The reversal of 13134782657 is 75628743131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11224131136 + 1910651521 = 105944^2 + 43711^2 .

It is a cyclic number.

It is not a de Polignac number, because 13134782657 - 2¹⁶ = 13134717121 is a prime.

It is not a weakly prime, because it can be changed into another prime (13134782357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6567391328 + 6567391329.

It is an arithmetic number, because the mean of its divisors is an integer number (6567391329).

Almost surely, 2^13134782657 is an apocalyptic number.

It is an amenable number.

13134782657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13134782657 is an equidigital number, since it uses as much as digits as its factorization.

13134782657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The spelling of 13134782657 in words is "thirteen billion, one hundred thirty-four million, seven hundred eighty-two thousand, six hundred fifty-seven".