129048368836 has 12 divisors (see below), whose sum is σ = 226053696960. Its totient is φ = 64461598280.

The previous prime is 129048368833. The next prime is 129048368843. The reversal of 129048368836 is 638863840921.

It is a super-4 number, since 4×129048368836⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (129048368833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15641896 + ... + 15650143.

It is an arithmetic number, because the mean of its divisors is an integer number (18837808080).

Almost surely, 2^129048368836 is an apocalyptic number.

It is an amenable number.

129048368836 is a deficient number, since it is larger than the sum of its proper divisors (97005328124).

129048368836 is a wasteful number, since it uses less digits than its factorization.

129048368836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31293074 (or 31293072 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 129048368836 in words is "one hundred twenty-nine billion, forty-eight million, three hundred sixty-eight thousand, eight hundred thirty-six".