1140186 has 8 divisors (see below), whose sum is σ = 2280384. Its totient is φ = 380060.

The previous prime is 1140163. The next prime is 1140197. The reversal of 1140186 is 6810411.

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

1140186 is an admirable number.

It is a super-2 number, since 2×1140186² = 2600048229192, which contains 22 as substring.

It is a congruent number.

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, 95010 + ... + 95021.

It is an arithmetic number, because the mean of its divisors is an integer number (285048).

2^1140186 is an apocalyptic number.

1140186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140186 is a wasteful number, since it uses less digits than its factorization.

1140186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190036.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1140186 is about 1067.7949241310. The cubic root of 1140186 is about 104.4700737701.

Adding to 1140186 its reverse (6810411), we get a palindrome (7950597).

It can be divided in two parts, 1140 and 186, that added together give a triangular number (1326 = T₅₁).

The spelling of 1140186 in words is "one million, one hundred forty thousand, one hundred eighty-six".