1140530144 has 24 divisors (see below), whose sum is σ = 2418144120. Its totient is φ = 526398336.

The previous prime is 1140530129. The next prime is 1140530177. The reversal of 1140530144 is 4410350411.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1370414 + ... + 1371245.

It is an arithmetic number, because the mean of its divisors is an integer number (100756005).

Almost surely, 2^1140530144 is an apocalyptic number.

It is an amenable number.

1140530144 is an abundant number, since it is smaller than the sum of its proper divisors (1277613976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140530144 is a wasteful number, since it uses less digits than its factorization.

1140530144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741682 (or 2741674 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1140530144 is about 33771.7358748407. The cubic root of 1140530144 is about 1044.8058349756.

Adding to 1140530144 its reverse (4410350411), we get a palindrome (5550880555).

The spelling of 1140530144 in words is "one billion, one hundred forty million, five hundred thirty thousand, one hundred forty-four".