1382939940585 has 128 divisors (see below), whose sum is σ = 2616962826240. Its totient is φ = 610538213376.

The previous prime is 1382939940583. The next prime is 1382939940647. The reversal of 1382939940585 is 5850499392831.

It is not a de Polignac number, because 1382939940585 - 2¹ = 1382939940583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1382939940583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 447696721 + ... + 447699809.

It is an arithmetic number, because the mean of its divisors is an integer number (20445022080).

Almost surely, 2^{1382939940585} is an apocalyptic number.

1382939940585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382939940585 is a deficient number, since it is larger than the sum of its proper divisors (1234022885655).

1382939940585 is a wasteful number, since it uses less digits than its factorization.

1382939940585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 1382939940585 in words is "one trillion, three hundred eighty-two billion, nine hundred thirty-nine million, nine hundred forty thousand, five hundred eighty-five".