128358356 has 12 divisors (see below), whose sum is σ = 256716768. Its totient is φ = 55010712.

The previous prime is 128358343. The next prime is 128358359. The reversal of 128358356 is 653853821.

128358356 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128358359) 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, 2292086 + ... + 2292141.

It is an arithmetic number, because the mean of its divisors is an integer number (21393064).

Almost surely, 2^128358356 is an apocalyptic number.

It is an amenable number.

128358356 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.

128358356 is a wasteful number, since it uses less digits than its factorization.

128358356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584238 (or 4584236 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 128358356 is about 11329.5346771171. The cubic root of 128358356 is about 504.4382945135.

The spelling of 128358356 in words is "one hundred twenty-eight million, three hundred fifty-eight thousand, three hundred fifty-six".