1389112103236 has 135 divisors (see below), whose sum is σ = 2903853599297. Its totient is φ = 581005613760.

The previous prime is 1389112103207. The next prime is 1389112103303. The reversal of 1389112103236 is 6323012119831.

The square root of 1389112103236 is 1178606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1019029680900 + 370082422336 = 1009470^2 + 608344^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4382056950 + ... + 4382057266.

Almost surely, 2^{1389112103236} is an apocalyptic number.

1389112103236 is the 1178606-th square number.

It is an amenable number.

1389112103236 is an abundant number, since it is smaller than the sum of its proper divisors (1514741496061).

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

1389112103236 is an frugal number, since it uses more digits than its factorization.

1389112103236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 1389112103236 in words is "one trillion, three hundred eighty-nine billion, one hundred twelve million, one hundred three thousand, two hundred thirty-six".