128519414 has 8 divisors (see below), whose sum is σ = 192871800. Its totient is φ = 64228816.

The previous prime is 128519411. The next prime is 128519429. The reversal of 128519414 is 414915821.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128519411) 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, 9839 + ... + 18810.

It is an arithmetic number, because the mean of its divisors is an integer number (24108975).

Almost surely, 2^128519414 is an apocalyptic number.

128519414 is a deficient number, since it is larger than the sum of its proper divisors (64352386).

128519414 is a wasteful number, since it uses less digits than its factorization.

128519414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30894.

The product of its digits is 11520, while the sum is 35.

The square root of 128519414 is about 11336.6403312445. The cubic root of 128519414 is about 504.6491881105.

The spelling of 128519414 in words is "one hundred twenty-eight million, five hundred nineteen thousand, four hundred fourteen".