1132131442 has 32 divisors (see below), whose sum is σ = 1894641840. Its totient is φ = 504007680.

The previous prime is 1132131433. The next prime is 1132131479. The reversal of 1132131442 is 2441312311.

It can be written as a sum of positive squares in 8 ways, for example, as 120318961 + 1011812481 = 10969^2 + 31809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88908 + ... + 100840.

Almost surely, 2^1132131442 is an apocalyptic number.

1132131442 is a deficient number, since it is larger than the sum of its proper divisors (762510398).

1132131442 is a wasteful number, since it uses less digits than its factorization.

1132131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078.

The product of its digits is 576, while the sum is 22.

The square root of 1132131442 is about 33647.1609797914. The cubic root of 1132131442 is about 1042.2349133823.

Adding to 1132131442 its reverse (2441312311), we get a palindrome (3573443753).

The spelling of 1132131442 in words is "one billion, one hundred thirty-two million, one hundred thirty-one thousand, four hundred forty-two".