128091614 has 8 divisors (see below), whose sum is σ = 219585648. Its totient is φ = 54896400.

The previous prime is 128091581. The next prime is 128091629. The reversal of 128091614 is 416190821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4574687 + ... + 4574714.

It is an arithmetic number, because the mean of its divisors is an integer number (27448206).

Almost surely, 2^128091614 is an apocalyptic number.

128091614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128091614 is a deficient number, since it is larger than the sum of its proper divisors (91494034).

128091614 is an equidigital number, since it uses as much as digits as its factorization.

128091614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149410.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 128091614 is about 11317.7565798174. The cubic root of 128091614 is about 504.0886271244.

The spelling of 128091614 in words is "one hundred twenty-eight million, ninety-one thousand, six hundred fourteen".