1338713455 has 16 divisors (see below), whose sum is σ = 1693569024. Its totient is φ = 1014366240.

The previous prime is 1338713443. The next prime is 1338713479. The reversal of 1338713455 is 5543178331.

It is a happy number.

It is not a de Polignac number, because 1338713455 - 2⁵ = 1338713423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 84597 + ... + 99166.

It is an arithmetic number, because the mean of its divisors is an integer number (105848064).

Almost surely, 2^1338713455 is an apocalyptic number.

1338713455 is a deficient number, since it is larger than the sum of its proper divisors (354855569).

1338713455 is a wasteful number, since it uses less digits than its factorization.

1338713455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183846.

The product of its digits is 151200, while the sum is 40.

The square root of 1338713455 is about 36588.4333498990. The cubic root of 1338713455 is about 1102.1208270980.

The spelling of 1338713455 in words is "one billion, three hundred thirty-eight million, seven hundred thirteen thousand, four hundred fifty-five".