128316276 has 36 divisors (see below), whose sum is σ = 353842944. Its totient is φ = 38883600.

The previous prime is 128316263. The next prime is 128316281. The reversal of 128316276 is 672613821.

128316276 is a `hidden beast` number, since 1 + 28 + 3 + 1 + 627 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 128316276.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 161620 + ... + 162411.

Almost surely, 2^128316276 is an apocalyptic number.

It is an amenable number.

128316276 is an abundant number, since it is smaller than the sum of its proper divisors (225526668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128316276 is a wasteful number, since it uses less digits than its factorization.

128316276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324052 (or 324047 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 128316276 is about 11327.6774318481. The cubic root of 128316276 is about 504.3831647863.

The spelling of 128316276 in words is "one hundred twenty-eight million, three hundred sixteen thousand, two hundred seventy-six".