1385259219 has 8 divisors (see below), whose sum is σ = 2052235920. Its totient is φ = 923506128.

The previous prime is 1385259209. The next prime is 1385259221. The reversal of 1385259219 is 9129525831.

1385259219 is a `hidden beast` number, since 1 + 3 + 8 + 52 + 592 + 1 + 9 = 666.

It is not a de Polignac number, because 1385259219 - 2¹⁶ = 1385193683 is a prime.

It is a super-2 number, since 2×1385259219² = 3837886207648979922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1385259209) 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 7 ways as a sum of consecutive naturals, for example, 25652922 + ... + 25652975.

It is an arithmetic number, because the mean of its divisors is an integer number (256529490).

Almost surely, 2^1385259219 is an apocalyptic number.

1385259219 is a deficient number, since it is larger than the sum of its proper divisors (666976701).

1385259219 is an equidigital number, since it uses as much as digits as its factorization.

1385259219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51305906 (or 51305900 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 1385259219 is about 37219.0706358985. The cubic root of 1385259219 is about 1114.7488073234.

The spelling of 1385259219 in words is "one billion, three hundred eighty-five million, two hundred fifty-nine thousand, two hundred nineteen".