1140343005 has 16 divisors (see below), whose sum is σ = 1826060544. Its totient is φ = 607679040.

The previous prime is 1140342989. The next prime is 1140343019. The reversal of 1140343005 is 5003430411.

It is not a de Polignac number, because 1140343005 - 2⁴ = 1140342989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12414 + ... + 49343.

It is an arithmetic number, because the mean of its divisors is an integer number (114128784).

Almost surely, 2^1140343005 is an apocalyptic number.

1140343005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140343005 is a deficient number, since it is larger than the sum of its proper divisors (685717539).

1140343005 is a wasteful number, since it uses less digits than its factorization.

1140343005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62996.

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

The square root of 1140343005 is about 33768.9651159167. The cubic root of 1140343005 is about 1044.7486876875.

Adding to 1140343005 its reverse (5003430411), we get a palindrome (6143773416).

The spelling of 1140343005 in words is "one billion, one hundred forty million, three hundred forty-three thousand, five".