5129135826 has 16 divisors (see below), whose sum is σ = 10259002944. Its totient is φ = 1709590064.

The previous prime is 5129135821. The next prime is 5129135857. The reversal of 5129135826 is 6285319215.

It is not an unprimeable number, because it can be changed into a prime (5129135821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111835 + ... + 150881.

It is an arithmetic number, because the mean of its divisors is an integer number (641187684).

Almost surely, 2^5129135826 is an apocalyptic number.

5129135826 is an abundant number, since it is smaller than the sum of its proper divisors (5129867118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5129135826 is a wasteful number, since it uses less digits than its factorization.

5129135826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60945.

The product of its digits is 129600, while the sum is 42.

The square root of 5129135826 is about 71617.9853528428. The cubic root of 5129135826 is about 1724.5722752161.

The spelling of 5129135826 in words is "five billion, one hundred twenty-nine million, one hundred thirty-five thousand, eight hundred twenty-six".