1140340441 has 4 divisors (see below), whose sum is σ = 1140490000. Its totient is φ = 1140190884.

The previous prime is 1140340417. The next prime is 1140340457. The reversal of 1140340441 is 1440430411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140340441 - 2¹⁵ = 1140307673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140340541) 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 3 ways as a sum of consecutive naturals, for example, 62691 + ... + 78808.

It is an arithmetic number, because the mean of its divisors is an integer number (285122500).

Almost surely, 2^1140340441 is an apocalyptic number.

It is an amenable number.

1140340441 is a deficient number, since it is larger than the sum of its proper divisors (149559).

1140340441 is an equidigital number, since it uses as much as digits as its factorization.

1140340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149558.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1140340441 is about 33768.9271520432. The cubic root of 1140340441 is about 1044.7479046665.

Adding to 1140340441 its reverse (1440430411), we get a palindrome (2580770852).

The spelling of 1140340441 in words is "one billion, one hundred forty million, three hundred forty thousand, four hundred forty-one".