1140665246 has 16 divisors (see below), whose sum is σ = 1959624576. Its totient is φ = 487806936.

The previous prime is 1140665219. The next prime is 1140665321. The reversal of 1140665246 is 6425660411.

It is a super-2 number, since 2×1140665246² = 2602234406864481032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 80696 + ... + 93771.

It is an arithmetic number, because the mean of its divisors is an integer number (122476536).

Almost surely, 2^1140665246 is an apocalyptic number.

1140665246 is a deficient number, since it is larger than the sum of its proper divisors (818959330).

1140665246 is a wasteful number, since it uses less digits than its factorization.

1140665246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174943.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1140665246 is about 33773.7360385256. The cubic root of 1140665246 is about 1044.8470876584.

The spelling of 1140665246 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, two hundred forty-six".