1131441135 has 16 divisors (see below), whose sum is σ = 1974879360. Its totient is φ = 548577440.

The previous prime is 1131441133. The next prime is 1131441163. The reversal of 1131441135 is 5311441311.

It is not a de Polignac number, because 1131441135 - 2¹ = 1131441133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131441133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428445 + ... + 3428774.

It is an arithmetic number, because the mean of its divisors is an integer number (123429960).

Almost surely, 2^1131441135 is an apocalyptic number.

1131441135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1131441135 is a deficient number, since it is larger than the sum of its proper divisors (843438225).

1131441135 is a wasteful number, since it uses less digits than its factorization.

1131441135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857238.

The product of its digits is 720, while the sum is 24.

The square root of 1131441135 is about 33636.9013882076. The cubic root of 1131441135 is about 1042.0230391812.

Adding to 1131441135 its reverse (5311441311), we get a palindrome (6442882446).

The spelling of 1131441135 in words is "one billion, one hundred thirty-one million, four hundred forty-one thousand, one hundred thirty-five".