128535386 has 8 divisors (see below), whose sum is σ = 220346400. Its totient is φ = 55086588.

The previous prime is 128535383. The next prime is 128535397. The reversal of 128535386 is 683535821.

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

It is not an unprimeable number, because it can be changed into a prime (128535383) 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, 4590536 + ... + 4590563.

It is an arithmetic number, because the mean of its divisors is an integer number (27543300).

Almost surely, 2^128535386 is an apocalyptic number.

128535386 is a deficient number, since it is larger than the sum of its proper divisors (91811014).

128535386 is an equidigital number, since it uses as much as digits as its factorization.

128535386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181108.

The product of its digits is 172800, while the sum is 41.

The square root of 128535386 is about 11337.3447508665. The cubic root of 128535386 is about 504.6700926642.

The spelling of 128535386 in words is "one hundred twenty-eight million, five hundred thirty-five thousand, three hundred eighty-six".