1135444405 has 4 divisors (see below), whose sum is σ = 1362533292. Its totient is φ = 908355520.

The previous prime is 1135444397. The next prime is 1135444421. The reversal of 1135444405 is 5044445311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383258929 + 752185476 = 19577^2 + 27426^2 .

It is not a de Polignac number, because 1135444405 - 2³ = 1135444397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113544436 + ... + 113544445.

It is an arithmetic number, because the mean of its divisors is an integer number (340633323).

Almost surely, 2^1135444405 is an apocalyptic number.

It is an amenable number.

1135444405 is a deficient number, since it is larger than the sum of its proper divisors (227088887).

1135444405 is an equidigital number, since it uses as much as digits as its factorization.

1135444405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227088886.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1135444405 is about 33696.3559602518. The cubic root of 1135444405 is about 1043.2505560823.

Adding to 1135444405 its reverse (5044445311), we get a palindrome (6179889716).

The spelling of 1135444405 in words is "one billion, one hundred thirty-five million, four hundred forty-four thousand, four hundred five".