1387054808 has 16 divisors (see below), whose sum is σ = 2617295280. Its totient is φ = 689109408.

The previous prime is 1387054789. The next prime is 1387054811. The reversal of 1387054808 is 8084507831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550916 + ... + 553427.

It is an arithmetic number, because the mean of its divisors is an integer number (163580955).

Almost surely, 2^1387054808 is an apocalyptic number.

It is an amenable number.

1387054808 is a deficient number, since it is larger than the sum of its proper divisors (1230240472).

1387054808 is a wasteful number, since it uses less digits than its factorization.

1387054808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104506 (or 1104502 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1387054808 is about 37243.1847188180. The cubic root of 1387054808 is about 1115.2302494596.

The spelling of 1387054808 in words is "one billion, three hundred eighty-seven million, fifty-four thousand, eight hundred eight".