448895139 has 16 divisors (see below), whose sum is σ = 746215680. Its totient is φ = 233192160.

The previous prime is 448895113. The next prime is 448895171. The reversal of 448895139 is 931598844.

It is not a de Polignac number, because 448895139 - 2⁷ = 448895011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 448895091 and 448895100.

It is not an unprimeable number, because it can be changed into a prime (448895179) 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 15 ways as a sum of consecutive naturals, for example, 971404 + ... + 971865.

It is an arithmetic number, because the mean of its divisors is an integer number (46638480).

Almost surely, 2^448895139 is an apocalyptic number.

448895139 is a deficient number, since it is larger than the sum of its proper divisors (297320541).

448895139 is a wasteful number, since it uses less digits than its factorization.

448895139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943290.

The product of its digits is 1244160, while the sum is 51.

The square root of 448895139 is about 21187.1456076556. The cubic root of 448895139 is about 765.6817588553.

The spelling of 448895139 in words is "four hundred forty-eight million, eight hundred ninety-five thousand, one hundred thirty-nine".