128538352 has 40 divisors (see below), whose sum is σ = 265947264. Its totient is φ = 60037824.

The previous prime is 128538341. The next prime is 128538367. The reversal of 128538352 is 253835821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11763 + ... + 19885.

Almost surely, 2^128538352 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 128538352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132973632).

128538352 is an abundant number, since it is smaller than the sum of its proper divisors (137408912).

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

128538352 is a wasteful number, since it uses less digits than its factorization.

128538352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197 (or 8191 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 128538352 is about 11337.4755567542. The cubic root of 128538352 is about 504.6739744486.

The spelling of 128538352 in words is "one hundred twenty-eight million, five hundred thirty-eight thousand, three hundred fifty-two".