1140678066 has 16 divisors (see below), whose sum is σ = 2488752288. Its totient is φ = 345660000.

The previous prime is 1140678061. The next prime is 1140678067. The reversal of 1140678066 is 6608760411.

It is a happy number.

It is a super-2 number, since 2×1140678066² = 2602292900507000712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140678061) 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, 8641435 + ... + 8641566.

It is an arithmetic number, because the mean of its divisors is an integer number (155547018).

Almost surely, 2^1140678066 is an apocalyptic number.

1140678066 is an abundant number, since it is smaller than the sum of its proper divisors (1348074222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140678066 is a wasteful number, since it uses less digits than its factorization.

1140678066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17283017.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1140678066 is about 33773.9258304391. The cubic root of 1140678066 is about 1044.8510020085.

The spelling of 1140678066 in words is "one billion, one hundred forty million, six hundred seventy-eight thousand, sixty-six".