128368334 has 16 divisors (see below), whose sum is σ = 199618560. Its totient is φ = 61846680.

The previous prime is 128368259. The next prime is 128368337. The reversal of 128368334 is 433863821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128368337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10487 + ... + 19149.

It is an arithmetic number, because the mean of its divisors is an integer number (12476160).

Almost surely, 2^128368334 is an apocalyptic number.

128368334 is a deficient number, since it is larger than the sum of its proper divisors (71250226).

128368334 is a wasteful number, since it uses less digits than its factorization.

128368334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935.

The product of its digits is 82944, while the sum is 38.

The square root of 128368334 is about 11329.9750220378. The cubic root of 128368334 is about 504.4513650946.

The spelling of 128368334 in words is "one hundred twenty-eight million, three hundred sixty-eight thousand, three hundred thirty-four".