1144073986 has 8 divisors (see below), whose sum is σ = 1872121104. Its totient is φ = 520033620.

The previous prime is 1144073951. The next prime is 1144074013. The reversal of 1144073986 is 6893704411.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26001660 + ... + 26001703.

It is an arithmetic number, because the mean of its divisors is an integer number (234015138).

Almost surely, 2^1144073986 is an apocalyptic number.

1144073986 is a deficient number, since it is larger than the sum of its proper divisors (728047118).

1144073986 is a wasteful number, since it uses less digits than its factorization.

1144073986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52003376.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1144073986 is about 33824.1627538658. The cubic root of 1144073986 is about 1045.8868522861.

The spelling of 1144073986 in words is "one billion, one hundred forty-four million, seventy-three thousand, nine hundred eighty-six".