1336403409 has 16 divisors (see below), whose sum is σ = 1944470784. Its totient is φ = 809686800.

The previous prime is 1336403389. The next prime is 1336403413. The reversal of 1336403409 is 9043046331.

It is not a de Polignac number, because 1336403409 - 2²⁰ = 1335354833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1336403409.

It is not an unprimeable number, because it can be changed into a prime (1336403429) 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 15 ways as a sum of consecutive naturals, for example, 200094 + ... + 206664.

It is an arithmetic number, because the mean of its divisors is an integer number (121529424).

Almost surely, 2^1336403409 is an apocalyptic number.

It is an amenable number.

1336403409 is a deficient number, since it is larger than the sum of its proper divisors (608067375).

1336403409 is a wasteful number, since it uses less digits than its factorization.

1336403409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 1336403409 is about 36556.8517380805. The cubic root of 1336403409 is about 1101.4865326291.

The spelling of 1336403409 in words is "one billion, three hundred thirty-six million, four hundred three thousand, four hundred nine".