128067713 has 2 divisors, whose sum is σ = 128067714. Its totient is φ = 128067712.

The previous prime is 128067677. The next prime is 128067763. The reversal of 128067713 is 317760821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109474369 + 18593344 = 10463^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 128067713 - 2⁶ = 128067649 is a prime.

It is a super-2 number, since 2×128067713² = 32802678226100738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128067763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64033856 + 64033857.

It is an arithmetic number, because the mean of its divisors is an integer number (64033857).

Almost surely, 2^128067713 is an apocalyptic number.

It is an amenable number.

128067713 is a deficient number, since it is larger than the sum of its proper divisors (1).

128067713 is an equidigital number, since it uses as much as digits as its factorization.

128067713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 128067713 is about 11316.7006234149. The cubic root of 128067713 is about 504.0572720358.

The spelling of 128067713 in words is "one hundred twenty-eight million, sixty-seven thousand, seven hundred thirteen".