128363320 has 16 divisors (see below), whose sum is σ = 288817560. Its totient is φ = 51345312.

The previous prime is 128363317. The next prime is 128363341. The reversal of 128363320 is 23363821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604502 + ... + 1604581.

Almost surely, 2^128363320 is an apocalyptic number.

128363320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128363320 is an abundant number, since it is smaller than the sum of its proper divisors (160454240).

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

128363320 is a wasteful number, since it uses less digits than its factorization.

128363320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209094 (or 3209090 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 128363320 is about 11329.7537484272. The cubic root of 128363320 is about 504.4447971402. Note that the first 3 decimals are identical.

The spelling of 128363320 in words is "one hundred twenty-eight million, three hundred sixty-three thousand, three hundred twenty".