1338713456 has 10 divisors (see below), whose sum is σ = 2593757352. Its totient is φ = 669356720.

The previous prime is 1338713443. The next prime is 1338713479. The reversal of 1338713456 is 6543178331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41834780 + ... + 41834811.

Almost surely, 2^1338713456 is an apocalyptic number.

1338713456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1338713456 is a deficient number, since it is larger than the sum of its proper divisors (1255043896).

1338713456 is an equidigital number, since it uses as much as digits as its factorization.

1338713456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83669599 (or 83669593 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 1338713456 is about 36588.4333635645. The cubic root of 1338713456 is about 1102.1208273724.

The spelling of 1338713456 in words is "one billion, three hundred thirty-eight million, seven hundred thirteen thousand, four hundred fifty-six".