195128926756 has 27 divisors (see below), whose sum is σ = 350072418577. Its totient is φ = 95167172960.

The previous prime is 195128926723. The next prime is 195128926777. The reversal of 195128926756 is 657629821591.

The square root of 195128926756 is 441734.

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

It can be written as a sum of positive squares in only one way, i.e., 9402405156 + 185726521600 = 96966^2 + 430960^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195128926694 and 195128926703.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36219495 + ... + 36224881.

Almost surely, 2^195128926756 is an apocalyptic number.

195128926756 is the 441734-th square number.

It is an amenable number.

195128926756 is a deficient number, since it is larger than the sum of its proper divisors (154943491821).

195128926756 is an frugal number, since it uses more digits than its factorization.

195128926756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860 (or 5430 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 61.

The spelling of 195128926756 in words is "one hundred ninety-five billion, one hundred twenty-eight million, nine hundred twenty-six thousand, seven hundred fifty-six".