1135240653 has 8 divisors (see below), whose sum is σ = 1539309600. Its totient is φ = 743999408.

The previous prime is 1135240651. The next prime is 1135240663. The reversal of 1135240653 is 3560425311.

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

It is a cyclic number.

It is not a de Polignac number, because 1135240653 - 2¹ = 1135240651 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135240653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135240651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206718 + ... + 3207071.

It is an arithmetic number, because the mean of its divisors is an integer number (192413700).

Almost surely, 2^1135240653 is an apocalyptic number.

It is an amenable number.

1135240653 is a deficient number, since it is larger than the sum of its proper divisors (404068947).

1135240653 is an equidigital number, since it uses as much as digits as its factorization.

1135240653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413851.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1135240653 is about 33693.3324709801. The cubic root of 1135240653 is about 1043.1881496500.

Adding to 1135240653 its reverse (3560425311), we get a palindrome (4695665964).

The spelling of 1135240653 in words is "one billion, one hundred thirty-five million, two hundred forty thousand, six hundred fifty-three".