1389483921732 has 48 divisors (see below), whose sum is σ = 3290889837312. Its totient is φ = 456197052960.

The previous prime is 1389483921701. The next prime is 1389483921739. The reversal of 1389483921732 is 2371293849831.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1389483921739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7403007 + ... + 7588377.

It is an arithmetic number, because the mean of its divisors is an integer number (68560204944).

Almost surely, 2^{1389483921732} is an apocalyptic number.

1389483921732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1389483921732 is an abundant number, since it is smaller than the sum of its proper divisors (1901405915580).

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

1389483921732 is a wasteful number, since it uses less digits than its factorization.

1389483921732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194768 (or 194766 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 1389483921732 in words is "one trillion, three hundred eighty-nine billion, four hundred eighty-three million, nine hundred twenty-one thousand, seven hundred thirty-two".