1140374978 has 8 divisors (see below), whose sum is σ = 1729782540. Its totient is φ = 563780800.

The previous prime is 1140374969. The next prime is 1140374981. The reversal of 1140374978 is 8794730411.

It can be written as a sum of positive squares in 2 ways, for example, as 1112422609 + 27952369 = 33353^2 + 5287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203123 + ... + 3203478.

Almost surely, 2^1140374978 is an apocalyptic number.

1140374978 is a deficient number, since it is larger than the sum of its proper divisors (589407562).

1140374978 is an equidigital number, since it uses as much as digits as its factorization.

1140374978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406692.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1140374978 is about 33769.4385206506. The cubic root of 1140374978 is about 1044.7584518367.

The spelling of 1140374978 in words is "one billion, one hundred forty million, three hundred seventy-four thousand, nine hundred seventy-eight".