1140291817 has 8 divisors (see below), whose sum is σ = 1345229312. Its totient is φ = 945864000.

The previous prime is 1140291811. The next prime is 1140291851. The reversal of 1140291817 is 7181920411.

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 1140291817 - 2³ = 1140291809 is a prime.

It is a super-2 number, since 2×1140291817² = 2600530855834322978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140291811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2627184 + ... + 2627617.

It is an arithmetic number, because the mean of its divisors is an integer number (168153664).

Almost surely, 2^1140291817 is an apocalyptic number.

It is an amenable number.

1140291817 is a deficient number, since it is larger than the sum of its proper divisors (204937495).

1140291817 is an equidigital number, since it uses as much as digits as its factorization.

1140291817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254839.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1140291817 is about 33768.2071925650. The cubic root of 1140291817 is about 1044.7330551408.

The spelling of 1140291817 in words is "one billion, one hundred forty million, two hundred ninety-one thousand, eight hundred seventeen".