1389002752750 has 32 divisors (see below), whose sum is σ = 2606570834400. Its totient is φ = 554242622400.

The previous prime is 1389002752733. The next prime is 1389002752771. The reversal of 1389002752750 is 572572009831.

It is a junction number, because it is equal to n+sod(n) for n = 1389002752694 and 1389002752703.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6689940 + ... + 6894439.

It is an arithmetic number, because the mean of its divisors is an integer number (81455338575).

Almost surely, 2^{1389002752750} is an apocalyptic number.

1389002752750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1389002752750 is a deficient number, since it is larger than the sum of its proper divisors (1217568081650).

1389002752750 is a wasteful number, since it uses less digits than its factorization.

1389002752750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13584805 (or 13584795 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 1389002752750 in words is "one trillion, three hundred eighty-nine billion, two million, seven hundred fifty-two thousand, seven hundred fifty".