1140323541 has 24 divisors (see below), whose sum is σ = 1806307200. Its totient is φ = 637745472.

The previous prime is 1140323539. The next prime is 1140323629. The reversal of 1140323541 is 1453230411.

It is a happy number.

It is not a de Polignac number, because 1140323541 - 2¹ = 1140323539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140323521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75616 + ... + 89433.

It is an arithmetic number, because the mean of its divisors is an integer number (75262800).

Almost surely, 2^1140323541 is an apocalyptic number.

It is an amenable number.

1140323541 is a deficient number, since it is larger than the sum of its proper divisors (665983659).

1140323541 is a wasteful number, since it uses less digits than its factorization.

1140323541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165113 (or 165106 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1140323541 is about 33768.6769210758. The cubic root of 1140323541 is about 1044.7427435391.

Adding to 1140323541 its reverse (1453230411), we get a palindrome (2593553952).

The spelling of 1140323541 in words is "one billion, one hundred forty million, three hundred twenty-three thousand, five hundred forty-one".