1395139726863 has 36 divisors (see below), whose sum is σ = 2130319971000. Its totient is φ = 879702200352.

The previous prime is 1395139726829. The next prime is 1395139726913. The reversal of 1395139726863 is 3686279315931.

1395139726863 is a `hidden beast` number, since 1 + 3 + 9 + 513 + 97 + 26 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 1395139726863 - 2¹⁰ = 1395139725839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1395139726863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395139726363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1641388 + ... + 2341886.

It is an arithmetic number, because the mean of its divisors is an integer number (59175554750).

Almost surely, 2^{1395139726863} is an apocalyptic number.

1395139726863 is a deficient number, since it is larger than the sum of its proper divisors (735180244137).

1395139726863 is a wasteful number, since it uses less digits than its factorization.

1395139726863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701156 (or 701134 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 1395139726863 in words is "one trillion, three hundred ninety-five billion, one hundred thirty-nine million, seven hundred twenty-six thousand, eight hundred sixty-three".