128536233 has 8 divisors (see below), whose sum is σ = 195864768. Its totient is φ = 73449264.

The previous prime is 128536229. The next prime is 128536241. The reversal of 128536233 is 332635821.

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

It is not a de Polignac number, because 128536233 - 2² = 128536229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128536194 and 128536203.

It is not an unprimeable number, because it can be changed into a prime (128536433) 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, 3060366 + ... + 3060407.

It is an arithmetic number, because the mean of its divisors is an integer number (24483096).

Almost surely, 2^128536233 is an apocalyptic number.

It is an amenable number.

128536233 is a deficient number, since it is larger than the sum of its proper divisors (67328535).

128536233 is an equidigital number, since it uses as much as digits as its factorization.

128536233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120783.

The product of its digits is 25920, while the sum is 33.

The square root of 128536233 is about 11337.3821052305. The cubic root of 128536233 is about 504.6712011906.

The spelling of 128536233 in words is "one hundred twenty-eight million, five hundred thirty-six thousand, two hundred thirty-three".