128926514 has 8 divisors (see below), whose sum is σ = 203568240. Its totient is φ = 61070436.

The previous prime is 128926507. The next prime is 128926529. The reversal of 128926514 is 415629821.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 3392803 = 128926514 / (1 + 2 + 8 + 9 + 2 + 6 + 5 + 1 + 4).

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, 1696364 + ... + 1696439.

It is an arithmetic number, because the mean of its divisors is an integer number (25446030).

Almost surely, 2^128926514 is an apocalyptic number.

128926514 is a deficient number, since it is larger than the sum of its proper divisors (74641726).

128926514 is a wasteful number, since it uses less digits than its factorization.

128926514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392824.

The product of its digits is 34560, while the sum is 38.

The square root of 128926514 is about 11354.5811899867. The cubic root of 128926514 is about 505.1814712314.

The spelling of 128926514 in words is "one hundred twenty-eight million, nine hundred twenty-six thousand, five hundred fourteen".