1140540303 has 32 divisors (see below), whose sum is σ = 1831897600. Its totient is φ = 616605696.

The previous prime is 1140540287. The next prime is 1140540311. The reversal of 1140540303 is 3030450411.

It is not a de Polignac number, because 1140540303 - 2⁴ = 1140540287 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 a self number, because there is not a number n which added to its sum of digits gives 1140540303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140540343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401175 + ... + 404007.

It is an arithmetic number, because the mean of its divisors is an integer number (57246800).

Almost surely, 2^1140540303 is an apocalyptic number.

1140540303 is a deficient number, since it is larger than the sum of its proper divisors (691357297).

1140540303 is a wasteful number, since it uses less digits than its factorization.

1140540303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

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

The square root of 1140540303 is about 33771.8862813435. The cubic root of 1140540303 is about 1044.8089370859.

Adding to 1140540303 its reverse (3030450411), we get a palindrome (4170990714).

The spelling of 1140540303 in words is "one billion, one hundred forty million, five hundred forty thousand, three hundred three".