128396353 has 2 divisors, whose sum is σ = 128396354. Its totient is φ = 128396352.

The previous prime is 128396341. The next prime is 128396383. The reversal of 128396353 is 353693821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68674369 + 59721984 = 8287^2 + 7728^2 .

It is a cyclic number.

It is not a de Polignac number, because 128396353 - 2²⁵ = 94841921 is a prime.

It is not a weakly prime, because it can be changed into another prime (128396383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64198176 + 64198177.

It is an arithmetic number, because the mean of its divisors is an integer number (64198177).

Almost surely, 2^128396353 is an apocalyptic number.

It is an amenable number.

128396353 is a deficient number, since it is larger than the sum of its proper divisors (1).

128396353 is an equidigital number, since it uses as much as digits as its factorization.

128396353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 128396353 is about 11331.2114533266. The cubic root of 128396353 is about 504.4880646817.

The spelling of 128396353 in words is "one hundred twenty-eight million, three hundred ninety-six thousand, three hundred fifty-three".