128383710 has 256 divisors, whose sum is σ = 411844608. Its totient is φ = 24883200.

The previous prime is 128383687. The next prime is 128383721. The reversal of 128383710 is 17383821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3131290 + ... + 3131330.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^128383710 is an apocalyptic number.

128383710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128383710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205922304).

128383710 is an abundant number, since it is smaller than the sum of its proper divisors (283460898).

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

128383710 is a wasteful number, since it uses less digits than its factorization.

128383710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 128383710 is about 11330.6535557310. The cubic root of 128383710 is about 504.4715054056.

The spelling of 128383710 in words is "one hundred twenty-eight million, three hundred eighty-three thousand, seven hundred ten".