128945370 has 32 divisors (see below), whose sum is σ = 317835648. Its totient is φ = 33455808.

The previous prime is 128945329. The next prime is 128945389. The reversal of 128945370 is 73549821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56974 + ... + 59193.

It is an arithmetic number, because the mean of its divisors is an integer number (9932364).

Almost surely, 2^128945370 is an apocalyptic number.

128945370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128945370 is an abundant number, since it is smaller than the sum of its proper divisors (188890278).

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

128945370 is a wasteful number, since it uses less digits than its factorization.

128945370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116214.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 128945370 is about 11355.4114852787. The cubic root of 128945370 is about 505.2060982771.

The spelling of 128945370 in words is "one hundred twenty-eight million, nine hundred forty-five thousand, three hundred seventy".