1388714752 has 18 divisors (see below), whose sum is σ = 2772005348. Its totient is φ = 694357248.

The previous prime is 1388714741. The next prime is 1388714753. The reversal of 1388714752 is 2574178831.

It is not an unprimeable number, because it can be changed into a prime (1388714753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2712078 + ... + 2712589.

Almost surely, 2^1388714752 is an apocalyptic number.

It is an amenable number.

1388714752 is a deficient number, since it is larger than the sum of its proper divisors (1383290596).

1388714752 is an frugal number, since it uses more digits than its factorization.

1388714752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424683 (or 5424669 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 1388714752 is about 37265.4632602360. The cubic root of 1388714752 is about 1115.6749523329.

The spelling of 1388714752 in words is "one billion, three hundred eighty-eight million, seven hundred fourteen thousand, seven hundred fifty-two".