128846933 has 2 divisors, whose sum is σ = 128846934. Its totient is φ = 128846932.

The previous prime is 128846929. The next prime is 128846953. The reversal of 128846933 is 339648821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77035729 + 51811204 = 8777^2 + 7198^2 .

It is an emirp because it is prime and its reverse (339648821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128846933 - 2² = 128846929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128846953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64423466 + 64423467.

It is an arithmetic number, because the mean of its divisors is an integer number (64423467).

Almost surely, 2^128846933 is an apocalyptic number.

It is an amenable number.

128846933 is a deficient number, since it is larger than the sum of its proper divisors (1).

128846933 is an equidigital number, since it uses as much as digits as its factorization.

128846933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 128846933 is about 11351.0762925812. The cubic root of 128846933 is about 505.0775073011.

The spelling of 128846933 in words is "one hundred twenty-eight million, eight hundred forty-six thousand, nine hundred thirty-three".