404136011 has 2 divisors, whose sum is σ = 404136012. Its totient is φ = 404136010.

The previous prime is 404136001. The next prime is 404136043. The reversal of 404136011 is 110631404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404136011 - 2¹⁰ = 404134987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404136001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202068005 + 202068006.

It is an arithmetic number, because the mean of its divisors is an integer number (202068006).

Almost surely, 2^404136011 is an apocalyptic number.

404136011 is a deficient number, since it is larger than the sum of its proper divisors (1).

404136011 is an equidigital number, since it uses as much as digits as its factorization.

404136011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 404136011 is about 20103.1343576070. The cubic root of 404136011 is about 739.3371291870.

Adding to 404136011 its reverse (110631404), we get a palindrome (514767415).

The spelling of 404136011 in words is "four hundred four million, one hundred thirty-six thousand, eleven".