1389766210120 has 16 divisors (see below), whose sum is σ = 3126973972860. Its totient is φ = 555906484032.

The previous prime is 1389766210051. The next prime is 1389766210123. The reversal of 1389766210120 is 210126679831.

It can be written as a sum of positive squares in 2 ways, for example, as 1357089863364 + 32676346756 = 1164942^2 + 180766^2 .

It is not an unprimeable number, because it can be changed into a prime (1389766210123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17372077587 + ... + 17372077666.

Almost surely, 2^{1389766210120} is an apocalyptic number.

1389766210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1389766210120 is an abundant number, since it is smaller than the sum of its proper divisors (1737207762740).

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

1389766210120 is a wasteful number, since it uses less digits than its factorization.

1389766210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34744155264 (or 34744155260 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1389766210120 in words is "one trillion, three hundred eighty-nine billion, seven hundred sixty-six million, two hundred ten thousand, one hundred twenty".