128313119464 has 16 divisors (see below), whose sum is σ = 240595154820. Its totient is φ = 64154411520.

The previous prime is 128313119461. The next prime is 128313119477. The reversal of 128313119464 is 464911313821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127427580900 + 885538564 = 356970^2 + 29758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 128313119464.

It is not an unprimeable number, because it can be changed into a prime (128313119461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272 + ... + 506584.

Almost surely, 2^128313119464 is an apocalyptic number.

It is an amenable number.

128313119464 is a deficient number, since it is larger than the sum of its proper divisors (112282035356).

128313119464 is a wasteful number, since it uses less digits than its factorization.

128313119464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537060 (or 537056 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The spelling of 128313119464 in words is "one hundred twenty-eight billion, three hundred thirteen million, one hundred nineteen thousand, four hundred sixty-four".