128301640108 has 12 divisors (see below), whose sum is σ = 224562347352. Its totient is φ = 64140969440.

The previous prime is 128301640097. The next prime is 128301640111. The reversal of 128301640108 is 801046103821.

It is a super-2 number, since 2×128301640108² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433310 + ... + 2485477.

It is an arithmetic number, because the mean of its divisors is an integer number (18713528946).

Almost surely, 2^128301640108 is an apocalyptic number.

It is an amenable number.

128301640108 is a deficient number, since it is larger than the sum of its proper divisors (96260707244).

128301640108 is a wasteful number, since it uses less digits than its factorization.

128301640108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925312 (or 4925310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 128301640108 its reverse (801046103821), we get a palindrome (929347743929).

The spelling of 128301640108 in words is "one hundred twenty-eight billion, three hundred one million, six hundred forty thousand, one hundred eight".