128740793836103 has 4 divisors (see below), whose sum is σ = 134338219655088. Its totient is φ = 123143368017120.

The previous prime is 128740793836099. The next prime is 128740793836139. The reversal of 128740793836103 is 301638397047821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128740793836103 - 2² = 128740793836099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128740793836183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798712909458 + ... + 2798712909503.

It is an arithmetic number, because the mean of its divisors is an integer number (33584554913772).

Almost surely, 2^{128740793836103} is an apocalyptic number.

128740793836103 is a deficient number, since it is larger than the sum of its proper divisors (5597425818985).

128740793836103 is an equidigital number, since it uses as much as digits as its factorization.

128740793836103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597425818984.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 128740793836103 in words is "one hundred twenty-eight trillion, seven hundred forty billion, seven hundred ninety-three million, eight hundred thirty-six thousand, one hundred three".