128308374 has 28 divisors (see below), whose sum is σ = 288565116. Its totient is φ = 42768972.

The previous prime is 128308357. The next prime is 128308379. The reversal of 128308374 is 473803821.

128308374 is a `hidden beast` number, since 1 + 283 + 0 + 8 + 374 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128308379) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 42544 + ... + 45459.

It is an arithmetic number, because the mean of its divisors is an integer number (10305897).

Almost surely, 2^128308374 is an apocalyptic number.

128308374 is an abundant number, since it is smaller than the sum of its proper divisors (160256742).

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

128308374 is an frugal number, since it uses more digits than its factorization.

128308374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88023 (or 88008 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 128308374 is about 11327.3286347665. The cubic root of 128308374 is about 504.3728108969.

The spelling of 128308374 in words is "one hundred twenty-eight million, three hundred eight thousand, three hundred seventy-four".