128419914 has 16 divisors (see below), whose sum is σ = 293531328. Its totient is φ = 36691392.

The previous prime is 128419909. The next prime is 128419927. The reversal of 128419914 is 419914821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528767 + ... + 1528850.

It is an arithmetic number, because the mean of its divisors is an integer number (18345708).

Almost surely, 2^128419914 is an apocalyptic number.

128419914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128419914 is an abundant number, since it is smaller than the sum of its proper divisors (165111414).

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

128419914 is a wasteful number, since it uses less digits than its factorization.

128419914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057629.

The product of its digits is 20736, while the sum is 39.

The square root of 128419914 is about 11332.2510561671. The cubic root of 128419914 is about 504.5189210003.

The spelling of 128419914 in words is "one hundred twenty-eight million, four hundred nineteen thousand, nine hundred fourteen".