128194653 has 32 divisors (see below), whose sum is σ = 185743360. Its totient is φ = 78382080.

The previous prime is 128194631. The next prime is 128194657. The reversal of 128194653 is 356491821.

It is not a de Polignac number, because 128194653 - 2⁶ = 128194589 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 (128194657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472908 + ... + 473178.

It is an arithmetic number, because the mean of its divisors is an integer number (5804480).

Almost surely, 2^128194653 is an apocalyptic number.

It is an amenable number.

128194653 is a deficient number, since it is larger than the sum of its proper divisors (57548707).

128194653 is a wasteful number, since it uses less digits than its factorization.

128194653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its digits is 51840, while the sum is 39.

The square root of 128194653 is about 11322.3077594632. The cubic root of 128194653 is about 504.2237566235.

The spelling of 128194653 in words is "one hundred twenty-eight million, one hundred ninety-four thousand, six hundred fifty-three".