1338394199 has 8 divisors (see below), whose sum is σ = 1361553408. Its totient is φ = 1315432440.

The previous prime is 1338394177. The next prime is 1338394243. The reversal of 1338394199 is 9914938331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1338394199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338394129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35657 + ... + 62834.

It is an arithmetic number, because the mean of its divisors is an integer number (170194176).

Almost surely, 2^1338394199 is an apocalyptic number.

1338394199 is a deficient number, since it is larger than the sum of its proper divisors (23159209).

1338394199 is a wasteful number, since it uses less digits than its factorization.

1338394199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98725.

The product of its digits is 629856, while the sum is 50.

The square root of 1338394199 is about 36584.0702902233. The cubic root of 1338394199 is about 1102.0332089799.

The spelling of 1338394199 in words is "one billion, three hundred thirty-eight million, three hundred ninety-four thousand, one hundred ninety-nine".