128369382 has 8 divisors (see below), whose sum is σ = 256738776. Its totient is φ = 42789792.

The previous prime is 128369369. The next prime is 128369383. The reversal of 128369382 is 283963821.

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

128369382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128369383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10697443 + ... + 10697454.

It is an arithmetic number, because the mean of its divisors is an integer number (32092347).

Almost surely, 2^128369382 is an apocalyptic number.

128369382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128369382 is a wasteful number, since it uses less digits than its factorization.

128369382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394902.

The product of its digits is 124416, while the sum is 42.

The square root of 128369382 is about 11330.0212709421. The cubic root of 128369382 is about 504.4527378724.

The spelling of 128369382 in words is "one hundred twenty-eight million, three hundred sixty-nine thousand, three hundred eighty-two".