1140230140 has 48 divisors (see below), whose sum is σ = 2800207872. Its totient is φ = 381842496.

The previous prime is 1140230111. The next prime is 1140230141. The reversal of 1140230140 is 410320411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88684 + ... + 100723.

It is an arithmetic number, because the mean of its divisors is an integer number (58337664).

Almost surely, 2^1140230140 is an apocalyptic number.

1140230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140230140 is an abundant number, since it is smaller than the sum of its proper divisors (1659977732).

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

1140230140 is a wasteful number, since it uses less digits than its factorization.

1140230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189466 (or 189464 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1140230140 is about 33767.2939395504. The cubic root of 1140230140 is about 1044.7142186870.

Adding to 1140230140 its reverse (410320411), we get a palindrome (1550550551).

The spelling of 1140230140 in words is "one billion, one hundred forty million, two hundred thirty thousand, one hundred forty".