13129133834 has 4 divisors (see below), whose sum is σ = 19693700754. Its totient is φ = 6564566916.

The previous prime is 13129133827. The next prime is 13129133839. The reversal of 13129133834 is 43833192131.

13129133834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 8214703225 + 4914430609 = 90635^2 + 70103^2 .

It is not an unprimeable number, because it can be changed into a prime (13129133839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282283457 + ... + 3282283460.

Almost surely, 2^13129133834 is an apocalyptic number.

13129133834 is a deficient number, since it is larger than the sum of its proper divisors (6564566920).

13129133834 is an equidigital number, since it uses as much as digits as its factorization.

13129133834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564566919.

The product of its digits is 46656, while the sum is 38.

The spelling of 13129133834 in words is "thirteen billion, one hundred twenty-nine million, one hundred thirty-three thousand, eight hundred thirty-four".