128336753 has 2 divisors, whose sum is σ = 128336754. Its totient is φ = 128336752.

The previous prime is 128336749. The next prime is 128336759. The reversal of 128336753 is 357633821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 51739249 = 8752^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 128336753 - 2² = 128336749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (128336759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64168376 + 64168377.

It is an arithmetic number, because the mean of its divisors is an integer number (64168377).

Almost surely, 2^128336753 is an apocalyptic number.

It is an amenable number.

128336753 is a deficient number, since it is larger than the sum of its proper divisors (1).

128336753 is an equidigital number, since it uses as much as digits as its factorization.

128336753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 128336753 is about 11328.5812439158. The cubic root of 128336753 is about 504.4099935593.

The spelling of 128336753 in words is "one hundred twenty-eight million, three hundred thirty-six thousand, seven hundred fifty-three".