1136031986 has 16 divisors (see below), whose sum is σ = 1729309848. Its totient is φ = 559612800.

The previous prime is 1136031943. The next prime is 1136031989. The reversal of 1136031986 is 6891306311.

It can be written as a sum of positive squares in 4 ways, for example, as 1125267025 + 10764961 = 33545^2 + 3281^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1136031989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 145256 + ... + 152876.

Almost surely, 2^1136031986 is an apocalyptic number.

1136031986 is a deficient number, since it is larger than the sum of its proper divisors (593277862).

1136031986 is a wasteful number, since it uses less digits than its factorization.

1136031986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1136031986 is about 33705.0735943418. The cubic root of 1136031986 is about 1043.4304822543.

The spelling of 1136031986 in words is "one billion, one hundred thirty-six million, thirty-one thousand, nine hundred eighty-six".