1385283263 has 12 divisors (see below), whose sum is σ = 1735410600. Its totient is φ = 1096047792.

The previous prime is 1385283209. The next prime is 1385283269. The reversal of 1385283263 is 3623825831.

It is not a de Polignac number, because 1385283263 - 2²⁶ = 1318174399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1385283263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385283269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086713 + ... + 1087986.

It is an arithmetic number, because the mean of its divisors is an integer number (144617550).

Almost surely, 2^1385283263 is an apocalyptic number.

1385283263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1385283263 is a deficient number, since it is larger than the sum of its proper divisors (350127337).

1385283263 is a wasteful number, since it uses less digits than its factorization.

1385283263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174726 (or 2174719 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 1385283263 is about 37219.3936409501. The cubic root of 1385283263 is about 1114.7552568660.

The spelling of 1385283263 in words is "one billion, three hundred eighty-five million, two hundred eighty-three thousand, two hundred sixty-three".