1389775324140 has 288 divisors, whose sum is σ = 4923082644480. Its totient is φ = 310795430400.

The previous prime is 1389775324123. The next prime is 1389775324141. The reversal of 1389775324140 is 414235779831.

1389775324140 is a `hidden beast` number, since 1 + 3 + 8 + 97 + 7 + 532 + 4 + 14 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1389775324141) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 11659966 + ... + 11778554.

It is an arithmetic number, because the mean of its divisors is an integer number (17094036960).

Almost surely, 2^{1389775324140} is an apocalyptic number.

1389775324140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389775324140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461541322240).

1389775324140 is an abundant number, since it is smaller than the sum of its proper divisors (3533307320340).

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

1389775324140 is a wasteful number, since it uses less digits than its factorization.

1389775324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118813 (or 118808 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 1389775324140 in words is "one trillion, three hundred eighty-nine billion, seven hundred seventy-five million, three hundred twenty-four thousand, one hundred forty".