128290514 has 8 divisors (see below), whose sum is σ = 209929968. Its totient is φ = 58313860.

The previous prime is 128290511. The next prime is 128290523. The reversal of 128290514 is 415092821.

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

It is not an unprimeable number, because it can be changed into a prime (128290511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915672 + ... + 2915715.

It is an arithmetic number, because the mean of its divisors is an integer number (26241246).

Almost surely, 2^128290514 is an apocalyptic number.

128290514 is a deficient number, since it is larger than the sum of its proper divisors (81639454).

128290514 is a wasteful number, since it uses less digits than its factorization.

128290514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831400.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 128290514 is about 11326.5402484607. The cubic root of 128290514 is about 504.3494076014.

The spelling of 128290514 in words is "one hundred twenty-eight million, two hundred ninety thousand, five hundred fourteen".