13636129387 has 2 divisors, whose sum is σ = 13636129388. Its totient is φ = 13636129386.

The previous prime is 13636129271. The next prime is 13636129447. The reversal of 13636129387 is 78392163631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13636129387 - 2¹¹ = 13636127339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13636129387.

It is not a weakly prime, because it can be changed into another prime (13636129187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6818064693 + 6818064694.

It is an arithmetic number, because the mean of its divisors is an integer number (6818064694).

Almost surely, 2^13636129387 is an apocalyptic number.

13636129387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13636129387 is an equidigital number, since it uses as much as digits as its factorization.

13636129387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The spelling of 13636129387 in words is "thirteen billion, six hundred thirty-six million, one hundred twenty-nine thousand, three hundred eighty-seven".