128895414 has 16 divisors (see below), whose sum is σ = 258273840. Its totient is φ = 42884640.

The previous prime is 128895409. The next prime is 128895419. The reversal of 128895414 is 414598821.

It is an interprime number because it is at equal distance from previous prime (128895409) and next prime (128895419).

It is a super-2 number, since 2×128895414² = 33228055500462792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128895419) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16609 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (16142115).

Almost surely, 2^128895414 is an apocalyptic number.

128895414 is an abundant number, since it is smaller than the sum of its proper divisors (129378426).

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

128895414 is a wasteful number, since it uses less digits than its factorization.

128895414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40255.

The product of its digits is 92160, while the sum is 42.

The square root of 128895414 is about 11353.2116161023. The cubic root of 128895414 is about 505.1408475543.

The spelling of 128895414 in words is "one hundred twenty-eight million, eight hundred ninety-five thousand, four hundred fourteen".