128339480 has 32 divisors (see below), whose sum is σ = 289094400. Its totient is φ = 51277056.

The previous prime is 128339479. The next prime is 128339483. The reversal of 128339480 is 84933821.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128339483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56201 + ... + 58439.

It is an arithmetic number, because the mean of its divisors is an integer number (9034200).

Almost surely, 2^128339480 is an apocalyptic number.

128339480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128339480 is an abundant number, since it is smaller than the sum of its proper divisors (160754920).

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

128339480 is a wasteful number, since it uses less digits than its factorization.

128339480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 128339480 is about 11328.7016025668. The cubic root of 128339480 is about 504.4135662337.

The spelling of 128339480 in words is "one hundred twenty-eight million, three hundred thirty-nine thousand, four hundred eighty".