128144368 has 40 divisors (see below), whose sum is σ = 286789680. Its totient is φ = 54819840.

The previous prime is 128144353. The next prime is 128144411. The reversal of 128144368 is 863441821.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 18423 + ... + 24406.

It is an arithmetic number, because the mean of its divisors is an integer number (7169742).

Almost surely, 2^128144368 is an apocalyptic number.

It is an amenable number.

128144368 is an abundant number, since it is smaller than the sum of its proper divisors (158645312).

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

128144368 is a wasteful number, since it uses less digits than its factorization.

128144368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42865 (or 42859 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 128144368 is about 11320.0869254613. The cubic root of 128144368 is about 504.1578198965.

The spelling of 128144368 in words is "one hundred twenty-eight million, one hundred forty-four thousand, three hundred sixty-eight".