1380571885 has 48 divisors (see below), whose sum is σ = 2132153856. Its totient is φ = 839520000.

The previous prime is 1380571877. The next prime is 1380571903. The reversal of 1380571885 is 5881750831.

It is a happy number.

It is not a de Polignac number, because 1380571885 - 2³ = 1380571877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169660 + ... + 177610.

It is an arithmetic number, because the mean of its divisors is an integer number (44419872).

Almost surely, 2^1380571885 is an apocalyptic number.

It is an amenable number.

1380571885 is a deficient number, since it is larger than the sum of its proper divisors (751581971).

1380571885 is a wasteful number, since it uses less digits than its factorization.

1380571885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026 (or 8015 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 46.

The square root of 1380571885 is about 37156.0477580703. The cubic root of 1380571885 is about 1113.4900526292.

The spelling of 1380571885 in words is "one billion, three hundred eighty million, five hundred seventy-one thousand, eight hundred eighty-five".