1338015715 has 8 divisors (see below), whose sum is σ = 1605927168. Its totient is φ = 1070207040.

The previous prime is 1338015673. The next prime is 1338015733. The reversal of 1338015715 is 5175108331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1338015715 is a prime.

It is a super-2 number, since 2×1338015715² = 3580572107173922450, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 6654 + ... + 52156.

It is an arithmetic number, because the mean of its divisors is an integer number (200740896).

Almost surely, 2^1338015715 is an apocalyptic number.

1338015715 is a deficient number, since it is larger than the sum of its proper divisors (267911453).

1338015715 is an equidigital number, since it uses as much as digits as its factorization.

1338015715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51389.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1338015715 is about 36578.8971266221. The cubic root of 1338015715 is about 1101.9293179984.

The spelling of 1338015715 in words is "one billion, three hundred thirty-eight million, fifteen thousand, seven hundred fifteen".