1338005835 has 48 divisors (see below), whose sum is σ = 2377140480. Its totient is φ = 695972160.

The previous prime is 1338005807. The next prime is 1338005869. The reversal of 1338005835 is 5385008331.

It is not a de Polignac number, because 1338005835 - 2⁶ = 1338005771 is a prime.

It is a super-2 number, since 2×1338005835² = 3580519228988094450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1338005835.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345882 + ... + 349728.

It is an arithmetic number, because the mean of its divisors is an integer number (49523760).

Almost surely, 2^1338005835 is an apocalyptic number.

1338005835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1338005835 is a deficient number, since it is larger than the sum of its proper divisors (1039134645).

1338005835 is a wasteful number, since it uses less digits than its factorization.

1338005835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1338005835 is about 36578.7620758276. The cubic root of 1338005835 is about 1101.9266057512.

The spelling of 1338005835 in words is "one billion, three hundred thirty-eight million, five thousand, eight hundred thirty-five".