1140066641 has 8 divisors (see below), whose sum is σ = 1306122240. Its totient is φ = 974808288.

The previous prime is 1140066581. The next prime is 1140066673. The reversal of 1140066641 is 1466600411.

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 1140066641 - 2¹⁴ = 1140050257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140066041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196241 + ... + 201966.

It is an arithmetic number, because the mean of its divisors is an integer number (163265280).

Almost surely, 2^1140066641 is an apocalyptic number.

It is an amenable number.

1140066641 is a deficient number, since it is larger than the sum of its proper divisors (166055599).

1140066641 is an equidigital number, since it uses as much as digits as its factorization.

1140066641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398623.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1140066641 is about 33764.8728858854. The cubic root of 1140066641 is about 1044.6642820151.

The spelling of 1140066641 in words is "one billion, one hundred forty million, sixty-six thousand, six hundred forty-one".