128380159 has 2 divisors, whose sum is σ = 128380160. Its totient is φ = 128380158.

The previous prime is 128380157. The next prime is 128380183. The reversal of 128380159 is 951083821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128380159 - 2¹ = 128380157 is a prime.

Together with 128380157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128380157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64190079 + 64190080.

It is an arithmetic number, because the mean of its divisors is an integer number (64190080).

Almost surely, 2^128380159 is an apocalyptic number.

128380159 is a deficient number, since it is larger than the sum of its proper divisors (1).

128380159 is an equidigital number, since it uses as much as digits as its factorization.

128380159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 128380159 is about 11330.4968558312. The cubic root of 128380159 is about 504.4668542578.

The spelling of 128380159 in words is "one hundred twenty-eight million, three hundred eighty thousand, one hundred fifty-nine".