128334269 has 8 divisors (see below), whose sum is σ = 147227520. Its totient is φ = 109580976.

The previous prime is 128334257. The next prime is 128334277. The reversal of 128334269 is 962433821.

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

It is a cyclic number.

It is not a de Polignac number, because 128334269 - 2⁸ = 128334013 is a prime.

It is a super-2 number, since 2×128334269² = 32939369199528722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128334169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33014 + ... + 36695.

It is an arithmetic number, because the mean of its divisors is an integer number (18403440).

Almost surely, 2^128334269 is an apocalyptic number.

It is an amenable number.

128334269 is a deficient number, since it is larger than the sum of its proper divisors (18893251).

128334269 is an equidigital number, since it uses as much as digits as its factorization.

128334269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69979.

The product of its digits is 62208, while the sum is 38.

The square root of 128334269 is about 11328.4716091801. The cubic root of 128334269 is about 504.4067391979.

The spelling of 128334269 in words is "one hundred twenty-eight million, three hundred thirty-four thousand, two hundred sixty-nine".