1386917540775 has 120 divisors (see below), whose sum is σ = 2778763606080. Its totient is φ = 679805602560.

The previous prime is 1386917540773. The next prime is 1386917540777. The reversal of 1386917540775 is 5770457196831.

1386917540775 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 9 + 17 + 540 + 7 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (1386917540773) and next prime (1386917540777).

It is not a de Polignac number, because 1386917540775 - 2¹ = 1386917540773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386917540773) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5913394 + ... + 6143456.

It is an arithmetic number, because the mean of its divisors is an integer number (23156363384).

Almost surely, 2^{1386917540775} is an apocalyptic number.

1386917540775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1386917540775 is an abundant number, since it is smaller than the sum of its proper divisors (1391846065305).

1386917540775 is a wasteful number, since it uses less digits than its factorization.

1386917540775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230327 (or 230313 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 1386917540775 in words is "one trillion, three hundred eighty-six billion, nine hundred seventeen million, five hundred forty thousand, seven hundred seventy-five".