1385584185756 has 24 divisors (see below), whose sum is σ = 3247147807120. Its totient is φ = 459844532352.

The previous prime is 1385584185737. The next prime is 1385584185757. The reversal of 1385584185756 is 6575814855831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385584185757) 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 7 ways as a sum of consecutive naturals, for example, 252105001 + ... + 252110496.

Almost surely, 2^{1385584185756} is an apocalyptic number.

It is an amenable number.

1385584185756 is an abundant number, since it is smaller than the sum of its proper divisors (1861563621364).

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

1385584185756 is a wasteful number, since it uses less digits than its factorization.

1385584185756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504215733 (or 504215731 counting only the distinct ones).

The product of its digits is 161280000, while the sum is 66.

The spelling of 1385584185756 in words is "one trillion, three hundred eighty-five billion, five hundred eighty-four million, one hundred eighty-five thousand, seven hundred fifty-six".