1141309805 has 8 divisors (see below), whose sum is σ = 1369980000. Its totient is φ = 912775696.

The previous prime is 1141309787. The next prime is 1141309823. The reversal of 1141309805 is 5089031411.

It is an interprime number because it is at equal distance from previous prime (1141309787) and next prime (1141309823).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141309805 - 2¹⁴ = 1141293421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14555 + ... + 49944.

It is an arithmetic number, because the mean of its divisors is an integer number (171247500).

Almost surely, 2^1141309805 is an apocalyptic number.

It is an amenable number.

1141309805 is a deficient number, since it is larger than the sum of its proper divisors (228670195).

1141309805 is an equidigital number, since it uses as much as digits as its factorization.

1141309805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68043.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1141309805 is about 33783.2770020908. The cubic root of 1141309805 is about 1045.0438555193.

The spelling of 1141309805 in words is "one billion, one hundred forty-one million, three hundred nine thousand, eight hundred five".