128355910 has 16 divisors (see below), whose sum is σ = 231234912. Its totient is φ = 51299200.

The previous prime is 128355907. The next prime is 128355917. The reversal of 128355910 is 19553821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128355917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8895 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (14452182).

Almost surely, 2^128355910 is an apocalyptic number.

128355910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128355910 is a deficient number, since it is larger than the sum of its proper divisors (102879002).

128355910 is a wasteful number, since it uses less digits than its factorization.

128355910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10799.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 128355910 is about 11329.4267286567. The cubic root of 128355910 is about 504.4350902970.

The spelling of 128355910 in words is "one hundred twenty-eight million, three hundred fifty-five thousand, nine hundred ten".