1393051265688 has 64 divisors (see below), whose sum is σ = 3487779388800. Its totient is φ = 463663883520.

The previous prime is 1393051265681. The next prime is 1393051265719. The reversal of 1393051265688 is 8865621503931.

It is a super-2 number, since 2×1393051265688² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393051265681) 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 15 ways as a sum of consecutive naturals, for example, 129907095 + ... + 129917817.

It is an arithmetic number, because the mean of its divisors is an integer number (54496552950).

Almost surely, 2^{1393051265688} is an apocalyptic number.

It is an amenable number.

1393051265688 is an abundant number, since it is smaller than the sum of its proper divisors (2094728123112).

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

1393051265688 is a wasteful number, since it uses less digits than its factorization.

1393051265688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18232 (or 18228 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 1393051265688 in words is "one trillion, three hundred ninety-three billion, fifty-one million, two hundred sixty-five thousand, six hundred eighty-eight".