128317269796 has 9 divisors (see below), whose sum is σ = 224556475899. Its totient is φ = 64158276684.

The previous prime is 128317269791. The next prime is 128317269827. The reversal of 128317269796 is 697962713821.

The square root of 128317269796 is 358214.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128317269791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 626875 + ... + 805981.

Almost surely, 2^128317269796 is an apocalyptic number.

128317269796 is the 358214-th square number.

It is an amenable number.

128317269796 is a deficient number, since it is larger than the sum of its proper divisors (96239206103).

128317269796 is an frugal number, since it uses more digits than its factorization.

128317269796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358218 (or 179109 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 61.

The spelling of 128317269796 in words is "one hundred twenty-eight billion, three hundred seventeen million, two hundred sixty-nine thousand, seven hundred ninety-six".