1135816 has 16 divisors (see below), whose sum is σ = 2323440. Its totient is φ = 516240.

The previous prime is 1135777. The next prime is 1135819. The reversal of 1135816 is 6185311.

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 3 ways as a sum of consecutive naturals, for example, 6366 + ... + 6541.

It is an arithmetic number, because the mean of its divisors is an integer number (145215).

2^1135816 is an apocalyptic number.

It is an amenable number.

1135816 is an abundant number, since it is smaller than the sum of its proper divisors (1187624).

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

1135816 is a wasteful number, since it uses less digits than its factorization.

1135816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12920 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1135816 is about 1065.7466866005. The cubic root of 1135816 is about 104.3364351294.

It can be divided in two parts, 113 and 5816, that added together give a square (5929 = 77²).

The spelling of 1135816 in words is "one million, one hundred thirty-five thousand, eight hundred sixteen".