128746416 has 20 divisors (see below), whose sum is σ = 332595032. Its totient is φ = 42915456.

The previous prime is 128746403. The next prime is 128746439. The reversal of 128746416 is 614647821.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341061 + ... + 1341156.

Almost surely, 2^128746416 is an apocalyptic number.

128746416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128746416 is an abundant number, since it is smaller than the sum of its proper divisors (203848616).

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

128746416 is a wasteful number, since it uses less digits than its factorization.

128746416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682228 (or 2682222 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 128746416 is about 11346.6477869016. The cubic root of 128746416 is about 504.9461315608.

The spelling of 128746416 in words is "one hundred twenty-eight million, seven hundred forty-six thousand, four hundred sixteen".