1140350043 has 32 divisors (see below), whose sum is σ = 1782584320. Its totient is φ = 634988160.

The previous prime is 1140350041. The next prime is 1140350131. The reversal of 1140350043 is 3400530411.

It is not a de Polignac number, because 1140350043 - 2¹ = 1140350041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140350041) 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 in 31 ways as a sum of consecutive naturals, for example, 135546 + ... + 143712.

It is an arithmetic number, because the mean of its divisors is an integer number (55705760).

Almost surely, 2^1140350043 is an apocalyptic number.

1140350043 is a deficient number, since it is larger than the sum of its proper divisors (642234277).

1140350043 is a wasteful number, since it uses less digits than its factorization.

1140350043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1140350043 is about 33769.0693238650. The cubic root of 1140350043 is about 1044.7508370192.

Adding to 1140350043 its reverse (3400530411), we get a palindrome (4540880454).

The spelling of 1140350043 in words is "one billion, one hundred forty million, three hundred fifty thousand, forty-three".