1393568256342 has 16 divisors (see below), whose sum is σ = 2787196995072. Its totient is φ = 464512671720.

The previous prime is 1393568256323. The next prime is 1393568256349. The reversal of 1393568256342 is 2436528653931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393568256349) 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, 2217778 + ... + 2775909.

It is an arithmetic number, because the mean of its divisors is an integer number (174199812192).

Almost surely, 2^{1393568256342} is an apocalyptic number.

1393568256342 is an abundant number, since it is smaller than the sum of its proper divisors (1393628738730).

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

1393568256342 is a wasteful number, since it uses less digits than its factorization.

1393568256342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040203.

The product of its digits is 27993600, while the sum is 57.

The spelling of 1393568256342 in words is "one trillion, three hundred ninety-three billion, five hundred sixty-eight million, two hundred fifty-six thousand, three hundred forty-two".