1388559342 has 8 divisors (see below), whose sum is σ = 2777118696. Its totient is φ = 462853112.

The previous prime is 1388559329. The next prime is 1388559343. The reversal of 1388559342 is 2439558831.

It is a sphenic number, since it is the product of 3 distinct primes.

1388559342 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1388559291 and 1388559300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388559343) by changing a digit.

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, 115713273 + ... + 115713284.

It is an arithmetic number, because the mean of its divisors is an integer number (347139837).

Almost surely, 2^1388559342 is an apocalyptic number.

1388559342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1388559342 is a wasteful number, since it uses less digits than its factorization.

1388559342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231426562.

The product of its digits is 1036800, while the sum is 48.

The square root of 1388559342 is about 37263.3780272267. The cubic root of 1388559342 is about 1115.6333326716.

The spelling of 1388559342 in words is "one billion, three hundred eighty-eight million, five hundred fifty-nine thousand, three hundred forty-two".