1100135653 has 4 divisors (see below), whose sum is σ = 1118782080. Its totient is φ = 1081489228.

The previous prime is 1100135633. The next prime is 1100135669. The reversal of 1100135653 is 3565310011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100135653 - 2²⁵ = 1066581221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100135633) 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, 9323125 + ... + 9323242.

It is an arithmetic number, because the mean of its divisors is an integer number (279695520).

Almost surely, 2^1100135653 is an apocalyptic number.

It is an amenable number.

1100135653 is a deficient number, since it is larger than the sum of its proper divisors (18646427).

1100135653 is an equidigital number, since it uses as much as digits as its factorization.

1100135653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646426.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1100135653 is about 33168.2928864300. The cubic root of 1100135653 is about 1032.3225476196.

Adding to 1100135653 its reverse (3565310011), we get a palindrome (4665445664).

The spelling of 1100135653 in words is "one billion, one hundred million, one hundred thirty-five thousand, six hundred fifty-three".