128363319 has 16 divisors (see below), whose sum is σ = 217335040. Its totient is φ = 73350360.

The previous prime is 128363317. The next prime is 128363341. The reversal of 128363319 is 913363821.

128363319 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 633 + 19 = 666.

It is not a de Polignac number, because 128363319 - 2¹ = 128363317 is a prime.

It is a super-2 number, since 2×128363319² = 32954283329391522, 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 (128363317) 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 15 ways as a sum of consecutive naturals, for example, 339397 + ... + 339774.

It is an arithmetic number, because the mean of its divisors is an integer number (13583440).

Almost surely, 2^128363319 is an apocalyptic number.

128363319 is a deficient number, since it is larger than the sum of its proper divisors (88971721).

128363319 is an equidigital number, since it uses as much as digits as its factorization.

128363319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679187 (or 679181 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 128363319 is about 11329.7537042956. The cubic root of 128363319 is about 504.4447958303. Note that the first 3 decimals are identical.

The spelling of 128363319 in words is "one hundred twenty-eight million, three hundred sixty-three thousand, three hundred nineteen".