1388138188196 has 24 divisors (see below), whose sum is σ = 2482185928320. Its totient is φ = 678957186272.

The previous prime is 1388138188193. The next prime is 1388138188211. The reversal of 1388138188196 is 6918818318831.

It is not an unprimeable number, because it can be changed into a prime (1388138188193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500266 + ... + 2242113.

It is an arithmetic number, because the mean of its divisors is an integer number (103424413680).

Almost surely, 2^{1388138188196} is an apocalyptic number.

It is an amenable number.

1388138188196 is a deficient number, since it is larger than the sum of its proper divisors (1094047740124).

1388138188196 is a wasteful number, since it uses less digits than its factorization.

1388138188196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744403 (or 3744401 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 65.

The spelling of 1388138188196 in words is "one trillion, three hundred eighty-eight billion, one hundred thirty-eight million, one hundred eighty-eight thousand, one hundred ninety-six".