1388752143813 has 12 divisors (see below), whose sum is σ = 2006026719840. Its totient is φ = 925811039016.

The previous prime is 1388752143803. The next prime is 1388752143887. The reversal of 1388752143813 is 3183412578831.

1388752143813 is a `hidden beast` number, since 1 + 3 + 8 + 87 + 521 + 4 + 38 + 1 + 3 = 666.

It is not a de Polignac number, because 1388752143813 - 2⁹ = 1388752143301 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1388752143813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388752143803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1602481 + ... + 2312022.

It is an arithmetic number, because the mean of its divisors is an integer number (167168893320).

Almost surely, 2^{1388752143813} is an apocalyptic number.

It is an amenable number.

1388752143813 is a deficient number, since it is larger than the sum of its proper divisors (617274576027).

1388752143813 is a wasteful number, since it uses less digits than its factorization.

1388752143813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953928 (or 3953925 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 1388752143813 in words is "one trillion, three hundred eighty-eight billion, seven hundred fifty-two million, one hundred forty-three thousand, eight hundred thirteen".