128095693 has 4 divisors (see below), whose sum is σ = 139740768. Its totient is φ = 116450620.

The previous prime is 128095661. The next prime is 128095699. The reversal of 128095693 is 396590821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396590821 = 11 ⋅36053711.

It is not a de Polignac number, because 128095693 - 2⁵ = 128095661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128095699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822521 + ... + 5822542.

It is an arithmetic number, because the mean of its divisors is an integer number (34935192).

Almost surely, 2^128095693 is an apocalyptic number.

It is an amenable number.

128095693 is a deficient number, since it is larger than the sum of its proper divisors (11645075).

128095693 is a wasteful number, since it uses less digits than its factorization.

128095693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645074.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 128095693 is about 11317.9367819404. The cubic root of 128095693 is about 504.0939778668.

The spelling of 128095693 in words is "one hundred twenty-eight million, ninety-five thousand, six hundred ninety-three".