1387743352 has 24 divisors (see below), whose sum is σ = 2618389440. Its totient is φ = 689514560.

The previous prime is 1387743347. The next prime is 1387743353. The reversal of 1387743352 is 2533477831.

It is a super-2 number, since 2×1387743352² = 3851663222040391808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1387743299 and 1387743308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387743353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1455708 + ... + 1456660.

It is an arithmetic number, because the mean of its divisors is an integer number (109099560).

Almost surely, 2^1387743352 is an apocalyptic number.

It is an amenable number.

1387743352 is a deficient number, since it is larger than the sum of its proper divisors (1230646088).

1387743352 is an frugal number, since it uses more digits than its factorization.

1387743352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 1146 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 1387743352 is about 37252.4274645291. The cubic root of 1387743352 is about 1115.4147550432.

The spelling of 1387743352 in words is "one billion, three hundred eighty-seven million, seven hundred forty-three thousand, three hundred fifty-two".