128371316 has 12 divisors (see below), whose sum is σ = 225369732. Its totient is φ = 63979968.

The previous prime is 128371289. The next prime is 128371333. The reversal of 128371316 is 613173821.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 111936400 = 4054^2 + 10580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50015 + ... + 52518.

It is an arithmetic number, because the mean of its divisors is an integer number (18780811).

Almost surely, 2^128371316 is an apocalyptic number.

It is an amenable number.

128371316 is a deficient number, since it is larger than the sum of its proper divisors (96998416).

128371316 is a wasteful number, since it uses less digits than its factorization.

128371316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102850 (or 102848 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 128371316 is about 11330.1066190923. The cubic root of 128371316 is about 504.4552712041.

The spelling of 128371316 in words is "one hundred twenty-eight million, three hundred seventy-one thousand, three hundred sixteen".