1336603994 has 12 divisors (see below), whose sum is σ = 2203740042. Its totient is φ = 607547160.

The previous prime is 1336603993. The next prime is 1336603999. The reversal of 1336603994 is 4993066331.

It can be written as a sum of positive squares in only one way, i.e., 1252239769 + 84364225 = 35387^2 + 9185^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1336603993) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2761337 + ... + 2761820.

Almost surely, 2^1336603994 is an apocalyptic number.

1336603994 is a deficient number, since it is larger than the sum of its proper divisors (867136048).

1336603994 is a wasteful number, since it uses less digits than its factorization.

1336603994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523181 (or 5523170 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 1336603994 is about 36559.5951016966. The cubic root of 1336603994 is about 1101.5416384007.

The spelling of 1336603994 in words is "one billion, three hundred thirty-six million, six hundred three thousand, nine hundred ninety-four".