1118683156 has 6 divisors (see below), whose sum is σ = 1957695530. Its totient is φ = 559341576.

The previous prime is 1118683151. The next prime is 1118683169. The reversal of 1118683156 is 6513868111.

It can be written as a sum of positive squares in only one way, i.e., 877936900 + 240746256 = 29630^2 + 15516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118683151) by changing a digit.

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 as a sum of consecutive naturals, namely, 139835391 + ... + 139835398.

Almost surely, 2^1118683156 is an apocalyptic number.

It is an amenable number.

1118683156 is a deficient number, since it is larger than the sum of its proper divisors (839012374).

1118683156 is a wasteful number, since it uses less digits than its factorization.

1118683156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279670793 (or 279670791 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 1118683156 is about 33446.7211546962. The cubic root of 1118683156 is about 1038.0916545206.

The spelling of 1118683156 in words is "one billion, one hundred eighteen million, six hundred eighty-three thousand, one hundred fifty-six".