1382063985 has 16 divisors (see below), whose sum is σ = 2457002880. Its totient is φ = 737100720.

The previous prime is 1382063939. The next prime is 1382064029. The reversal of 1382063985 is 5893602831.

It is a happy number.

1382063985 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 0 + 639 + 8 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1382063985 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1382063985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5118621 + ... + 5118890.

It is an arithmetic number, because the mean of its divisors is an integer number (153562680).

Almost surely, 2^1382063985 is an apocalyptic number.

1382063985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382063985 is a deficient number, since it is larger than the sum of its proper divisors (1074938895).

1382063985 is a wasteful number, since it uses less digits than its factorization.

1382063985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237525 (or 10237519 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1382063985 is about 37176.1211666844. The cubic root of 1382063985 is about 1113.8910556079.

The spelling of 1382063985 in words is "one billion, three hundred eighty-two million, sixty-three thousand, nine hundred eighty-five".