1141135144 has 8 divisors (see below), whose sum is σ = 2139628410. Its totient is φ = 570567568.

The previous prime is 1141135109. The next prime is 1141135157. The reversal of 1141135144 is 4415311411.

It can be written as a sum of positive squares in only one way, i.e., 689062500 + 452072644 = 26250^2 + 21262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71320939 + ... + 71320954.

Almost surely, 2^1141135144 is an apocalyptic number.

It is an amenable number.

1141135144 is a deficient number, since it is larger than the sum of its proper divisors (998493266).

1141135144 is a wasteful number, since it uses less digits than its factorization.

1141135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142641899 (or 142641895 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1141135144 is about 33780.6918816060. The cubic root of 1141135144 is about 1044.9905431712.

Adding to 1141135144 its reverse (4415311411), we get a palindrome (5556446555).

The spelling of 1141135144 in words is "one billion, one hundred forty-one million, one hundred thirty-five thousand, one hundred forty-four".