128395653 has 8 divisors (see below), whose sum is σ = 171250848. Its totient is φ = 85568784.

The previous prime is 128395639. The next prime is 128395691. The reversal of 128395653 is 356593821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128395653 - 2¹⁴ = 128379269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128395633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (21406356).

Almost surely, 2^128395653 is an apocalyptic number.

It is an amenable number.

128395653 is a deficient number, since it is larger than the sum of its proper divisors (42855195).

128395653 is an equidigital number, since it uses as much as digits as its factorization.

128395653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163.

The product of its digits is 194400, while the sum is 42.

The square root of 128395653 is about 11331.1805651485. The cubic root of 128395653 is about 504.4871478792.

The spelling of 128395653 in words is "one hundred twenty-eight million, three hundred ninety-five thousand, six hundred fifty-three".