1133146442 has 16 divisors (see below), whose sum is σ = 1728949320. Its totient is φ = 556883712.

The previous prime is 1133146409. The next prime is 1133146459. The reversal of 1133146442 is 2446413311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1076430481 + 56715961 = 32809^2 + 7531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29534 + ... + 56022.

Almost surely, 2^1133146442 is an apocalyptic number.

1133146442 is a deficient number, since it is larger than the sum of its proper divisors (595802878).

1133146442 is a wasteful number, since it uses less digits than its factorization.

1133146442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26857.

The product of its digits is 6912, while the sum is 29.

The square root of 1133146442 is about 33662.2405968468. The cubic root of 1133146442 is about 1042.5462884327.

Adding to 1133146442 its reverse (2446413311), we get a palindrome (3579559753).

The spelling of 1133146442 in words is "one billion, one hundred thirty-three million, one hundred forty-six thousand, four hundred forty-two".