128283365 has 8 divisors (see below), whose sum is σ = 175931520. Its totient is φ = 87965712.

The previous prime is 128283347. The next prime is 128283367. The reversal of 128283365 is 563382821.

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

It is a cyclic number.

It is not a de Polignac number, because 128283365 - 2¹² = 128279269 is a prime.

It is a super-3 number, since 3×128283365³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128283367) 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, 1832585 + ... + 1832654.

It is an arithmetic number, because the mean of its divisors is an integer number (21991440).

Almost surely, 2^128283365 is an apocalyptic number.

It is an amenable number.

128283365 is a deficient number, since it is larger than the sum of its proper divisors (47648155).

128283365 is an equidigital number, since it uses as much as digits as its factorization.

128283365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665251.

The product of its digits is 69120, while the sum is 38.

The square root of 128283365 is about 11326.2246578461. The cubic root of 128283365 is about 504.3400391225.

The spelling of 128283365 in words is "one hundred twenty-eight million, two hundred eighty-three thousand, three hundred sixty-five".