1387514808856 has 144 divisors (see below), whose sum is σ = 3040447750200. Its totient is φ = 593053655040.

The previous prime is 1387514808821. The next prime is 1387514808863. The reversal of 1387514808856 is 6588084157831.

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 35 ways as a sum of consecutive naturals, for example, 564258555 + ... + 564261013.

Almost surely, 2^{1387514808856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387514808856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520223875100).

1387514808856 is an abundant number, since it is smaller than the sum of its proper divisors (1652932941344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387514808856 is a wasteful number, since it uses less digits than its factorization.

1387514808856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4506 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 64.

The spelling of 1387514808856 in words is "one trillion, three hundred eighty-seven billion, five hundred fourteen million, eight hundred eight thousand, eight hundred fifty-six".