1135940 has 48 divisors (see below), whose sum is σ = 2730672. Its totient is φ = 393216.

The previous prime is 1135921. The next prime is 1135951. The reversal of 1135940 is 495311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 50176 + 1085764 = 224^2 + 1042^2 .

It is a zygodrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4292 + ... + 4548.

It is an arithmetic number, because the mean of its divisors is an integer number (56889).

2^1135940 is an apocalyptic number.

1135940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365336).

1135940 is an abundant number, since it is smaller than the sum of its proper divisors (1594732).

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

1135940 is a wasteful number, since it uses less digits than its factorization.

1135940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1135940 is about 1065.8048601878. The cubic root of 1135940 is about 104.3402318849.

The spelling of 1135940 in words is "one million, one hundred thirty-five thousand, nine hundred forty".