1135818 has 24 divisors (see below), whose sum is σ = 2492100. Its totient is φ = 373824.

The previous prime is 1135777. The next prime is 1135819. The reversal of 1135818 is 8185311.

It can be written as a sum of positive squares in 2 ways, for example, as 986049 + 149769 = 993^2 + 387^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1135791 and 1135800.

It is not an unprimeable number, because it can be changed into a prime (1135819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248 + ... + 1956.

2^1135818 is an apocalyptic number.

1135818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1135818 is an abundant number, since it is smaller than the sum of its proper divisors (1356282).

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

1135818 is a wasteful number, since it uses less digits than its factorization.

1135818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 803 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 1135818 is about 1065.7476249094. The cubic root of 1135818 is about 104.3364963695.

It can be divided in two parts, 1135 and 818, that added together give a triangular number (1953 = T₆₂).

The spelling of 1135818 in words is "one million, one hundred thirty-five thousand, eight hundred eighteen".