1380318338 has 24 divisors (see below), whose sum is σ = 2486214144. Its totient is φ = 572481000.

The previous prime is 1380318319. The next prime is 1380318353. The reversal of 1380318338 is 8338130831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224138 + ... + 230213.

It is an arithmetic number, because the mean of its divisors is an integer number (103592256).

Almost surely, 2^1380318338 is an apocalyptic number.

1380318338 is a deficient number, since it is larger than the sum of its proper divisors (1105895806).

1380318338 is a wasteful number, since it uses less digits than its factorization.

1380318338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454398 (or 454391 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1380318338 is about 37152.6356803929. The cubic root of 1380318338 is about 1113.4218829694.

The spelling of 1380318338 in words is "one billion, three hundred eighty million, three hundred eighteen thousand, three hundred thirty-eight".