1140266979 has 24 divisors (see below), whose sum is σ = 1714761360. Its totient is φ = 729263808.

The previous prime is 1140266971. The next prime is 1140267001. The reversal of 1140266979 is 9796620411.

It is not a de Polignac number, because 1140266979 - 2³ = 1140266971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140266971) 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 23 ways as a sum of consecutive naturals, for example, 27064 + ... + 54890.

It is an arithmetic number, because the mean of its divisors is an integer number (71448390).

Almost surely, 2^1140266979 is an apocalyptic number.

1140266979 is a deficient number, since it is larger than the sum of its proper divisors (574494381).

1140266979 is a wasteful number, since it uses less digits than its factorization.

1140266979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28019 (or 28016 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1140266979 is about 33767.8394185947. The cubic root of 1140266979 is about 1044.7254695773.

The spelling of 1140266979 in words is "one billion, one hundred forty million, two hundred sixty-six thousand, nine hundred seventy-nine".