1140211144 has 8 divisors (see below), whose sum is σ = 2137895910. Its totient is φ = 570105568.

The previous prime is 1140211141. The next prime is 1140211151. The reversal of 1140211144 is 4411120411.

It can be written as a sum of positive squares in only one way, i.e., 992880100 + 147331044 = 31510^2 + 12138^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1140211141) by changing a digit.

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 as a sum of consecutive naturals, namely, 71263189 + ... + 71263204.

Almost surely, 2^1140211144 is an apocalyptic number.

It is an amenable number.

1140211144 is a deficient number, since it is larger than the sum of its proper divisors (997684766).

1140211144 is a wasteful number, since it uses less digits than its factorization.

1140211144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142526399 (or 142526395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1140211144 is about 33767.0126602873. The cubic root of 1140211144 is about 1044.7084170800.

Adding to 1140211144 its reverse (4411120411), we get a palindrome (5551331555).

The spelling of 1140211144 in words is "one billion, one hundred forty million, two hundred eleven thousand, one hundred forty-four".