128441613 has 16 divisors (see below), whose sum is σ = 184040640. Its totient is φ = 79385856.

The previous prime is 128441603. The next prime is 128441633. The reversal of 128441613 is 316144821.

It is not a de Polignac number, because 128441613 - 2⁵ = 128441581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128441603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378 + ... + 22211.

It is an arithmetic number, because the mean of its divisors is an integer number (11502540).

Almost surely, 2^128441613 is an apocalyptic number.

It is an amenable number.

128441613 is a deficient number, since it is larger than the sum of its proper divisors (55599027).

128441613 is a wasteful number, since it uses less digits than its factorization.

128441613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37676.

The product of its digits is 4608, while the sum is 30.

The square root of 128441613 is about 11333.2084159782. The cubic root of 128441613 is about 504.5473354395.

The spelling of 128441613 in words is "one hundred twenty-eight million, four hundred forty-one thousand, six hundred thirteen".