128378364085614 has 32 divisors (see below), whose sum is σ = 270330394884480. Its totient is φ = 40531512821472.

The previous prime is 128378364085613. The next prime is 128378364085663. The reversal of 128378364085614 is 416580463873821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128378364085613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124807852 + ... + 125832255.

It is an arithmetic number, because the mean of its divisors is an integer number (8447824840140).

Almost surely, 2^{128378364085614} is an apocalyptic number.

128378364085614 is an abundant number, since it is smaller than the sum of its proper divisors (141952030798866).

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

128378364085614 is a wasteful number, since it uses less digits than its factorization.

128378364085614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250644624.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 128378364085614 in words is "one hundred twenty-eight trillion, three hundred seventy-eight billion, three hundred sixty-four million, eighty-five thousand, six hundred fourteen".