100768128136 has 16 divisors (see below), whose sum is σ = 203474105100. Its totient is φ = 46508366784.

The previous prime is 100768128121. The next prime is 100768128187. The reversal of 100768128136 is 631821867001.

It can be written as a sum of positive squares in 2 ways, for example, as 91282536900 + 9485591236 = 302130^2 + 97394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100768128092 and 100768128101.

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, 484462051 + ... + 484462258.

Almost surely, 2^100768128136 is an apocalyptic number.

It is an amenable number.

100768128136 is an abundant number, since it is smaller than the sum of its proper divisors (102705976964).

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

100768128136 is a wasteful number, since it uses less digits than its factorization.

100768128136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968924328 (or 968924324 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 100768128136 in words is "one hundred billion, seven hundred sixty-eight million, one hundred twenty-eight thousand, one hundred thirty-six".