13136215429 has 2 divisors, whose sum is σ = 13136215430. Its totient is φ = 13136215428.

The previous prime is 13136215363. The next prime is 13136215451. The reversal of 13136215429 is 92451263131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9142228225 + 3993987204 = 95615^2 + 63198^2 .

It is a cyclic number.

It is not a de Polignac number, because 13136215429 - 2¹⁹ = 13135691141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13136215229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568107714 + 6568107715.

It is an arithmetic number, because the mean of its divisors is an integer number (6568107715).

Almost surely, 2^13136215429 is an apocalyptic number.

It is an amenable number.

13136215429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13136215429 is an equidigital number, since it uses as much as digits as its factorization.

13136215429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The spelling of 13136215429 in words is "thirteen billion, one hundred thirty-six million, two hundred fifteen thousand, four hundred twenty-nine".