128653337 has 2 divisors, whose sum is σ = 128653338. Its totient is φ = 128653336.

The previous prime is 128653319. The next prime is 128653361. The reversal of 128653337 is 733356821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122522761 + 6130576 = 11069^2 + 2476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128653337 is a prime.

It is a super-2 number, since 2×128653337² = 33103362242471138, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128653337.

It is not a weakly prime, because it can be changed into another prime (128653037) 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, 64326668 + 64326669.

It is an arithmetic number, because the mean of its divisors is an integer number (64326669).

Almost surely, 2^128653337 is an apocalyptic number.

It is an amenable number.

128653337 is a deficient number, since it is larger than the sum of its proper divisors (1).

128653337 is an equidigital number, since it uses as much as digits as its factorization.

128653337 is an odious number, because the sum of its binary digits is odd.

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

The square root of 128653337 is about 11342.5454374228. The cubic root of 128653337 is about 504.8244162971.

The spelling of 128653337 in words is "one hundred twenty-eight million, six hundred fifty-three thousand, three hundred thirty-seven".