128341356 has 96 divisors (see below), whose sum is σ = 364089600. Its totient is φ = 34648320.

The previous prime is 128341351. The next prime is 128341387. The reversal of 128341356 is 653143821.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (128341351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48475 + ... + 51053.

It is an arithmetic number, because the mean of its divisors is an integer number (3792600).

Almost surely, 2^128341356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128341356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182044800).

128341356 is an abundant number, since it is smaller than the sum of its proper divisors (235748244).

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

128341356 is a wasteful number, since it uses less digits than its factorization.

128341356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639 (or 2637 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 128341356 is about 11328.7844008084. The cubic root of 128341356 is about 504.4160239738.

The spelling of 128341356 in words is "one hundred twenty-eight million, three hundred forty-one thousand, three hundred fifty-six".