1380004564145 has 8 divisors (see below), whose sum is σ = 1687250863656. Its totient is φ = 1083173393536.

The previous prime is 1380004564129. The next prime is 1380004564171. The reversal of 1380004564145 is 5414654000831.

It can be written as a sum of positive squares in 4 ways, for example, as 41966390449 + 1338038173696 = 204857^2 + 1156736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380004564145 - 2⁴ = 1380004564129 is a prime.

It is a super-2 number, since 2×1380004564145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603781932 + ... + 2603782461.

It is an arithmetic number, because the mean of its divisors is an integer number (210906357957).

Almost surely, 2^{1380004564145} is an apocalyptic number.

It is an amenable number.

1380004564145 is a deficient number, since it is larger than the sum of its proper divisors (307246299511).

1380004564145 is an equidigital number, since it uses as much as digits as its factorization.

1380004564145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207564451.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 1380004564145 its reverse (5414654000831), we get a palindrome (6794658564976).

The spelling of 1380004564145 in words is "one trillion, three hundred eighty billion, four million, five hundred sixty-four thousand, one hundred forty-five".