128313590 has 8 divisors (see below), whose sum is σ = 230964480. Its totient is φ = 51325432.

The previous prime is 128313571. The next prime is 128313599. The reversal of 128313590 is 95313821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128313599) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6415670 + ... + 6415689.

It is an arithmetic number, because the mean of its divisors is an integer number (28870560).

Almost surely, 2^128313590 is an apocalyptic number.

128313590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128313590 is a deficient number, since it is larger than the sum of its proper divisors (102650890).

128313590 is a wasteful number, since it uses less digits than its factorization.

128313590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831366.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 128313590 is about 11327.5588720607. The cubic root of 128313590 is about 504.3796454026.

The spelling of 128313590 in words is "one hundred twenty-eight million, three hundred thirteen thousand, five hundred ninety".