1393539086608 has 20 divisors (see below), whose sum is σ = 2793084808140. Its totient is φ = 672743007104.

The previous prime is 1393539086557. The next prime is 1393539086669. The reversal of 1393539086608 is 8066809353931.

It can be written as a sum of positive squares in 2 ways, for example, as 1079504376064 + 314034710544 = 1038992^2 + 560388^2 .

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 3 ways as a sum of consecutive naturals, for example, 1501658035 + ... + 1501658962.

It is an arithmetic number, because the mean of its divisors is an integer number (139654240407).

Almost surely, 2^{1393539086608} is an apocalyptic number.

It is an amenable number.

1393539086608 is an abundant number, since it is smaller than the sum of its proper divisors (1399545721532).

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

1393539086608 is a wasteful number, since it uses less digits than its factorization.

1393539086608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003317034 (or 3003317028 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 1393539086608 in words is "one trillion, three hundred ninety-three billion, five hundred thirty-nine million, eighty-six thousand, six hundred eight".