128465713546 has 16 divisors (see below), whose sum is σ = 193228769160. Its totient is φ = 64056199680.

The previous prime is 128465713531. The next prime is 128465713603. The reversal of 128465713546 is 645317564821.

It can be written as a sum of positive squares in 4 ways, for example, as 115800687025 + 12665026521 = 340295^2 + 112539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128465713493 and 128465713502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929106 + ... + 3961666.

Almost surely, 2^128465713546 is an apocalyptic number.

128465713546 is a deficient number, since it is larger than the sum of its proper divisors (64763055614).

128465713546 is a wasteful number, since it uses less digits than its factorization.

128465713546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37929.

The product of its digits is 4838400, while the sum is 52.

The spelling of 128465713546 in words is "one hundred twenty-eight billion, four hundred sixty-five million, seven hundred thirteen thousand, five hundred forty-six".