128135350 has 48 divisors (see below), whose sum is σ = 273420000. Its totient is φ = 43764480.

The previous prime is 128135327. The next prime is 128135363. The reversal of 128135350 is 53531821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121626 + ... + 122674.

It is an arithmetic number, because the mean of its divisors is an integer number (5696250).

Almost surely, 2^128135350 is an apocalyptic number.

128135350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128135350 is an abundant number, since it is smaller than the sum of its proper divisors (145284650).

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

128135350 is a wasteful number, since it uses less digits than its factorization.

128135350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 128135350 is about 11319.6885999572. The cubic root of 128135350 is about 504.1459931266.

The spelling of 128135350 in words is "one hundred twenty-eight million, one hundred thirty-five thousand, three hundred fifty".