1135342253 has 4 divisors (see below), whose sum is σ = 1135418400. Its totient is φ = 1135266108.

The previous prime is 1135342237. The next prime is 1135342289. The reversal of 1135342253 is 3522435311.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1135342253 - 2⁴ = 1135342237 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 (1135042253) 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, 7553 + ... + 48246.

It is an arithmetic number, because the mean of its divisors is an integer number (283854600).

Almost surely, 2^1135342253 is an apocalyptic number.

It is an amenable number.

1135342253 is a deficient number, since it is larger than the sum of its proper divisors (76147).

1135342253 is an equidigital number, since it uses as much as digits as its factorization.

1135342253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76146.

The product of its digits is 10800, while the sum is 29.

The square root of 1135342253 is about 33694.8401539464. The cubic root of 1135342253 is about 1043.2192692645.

Adding to 1135342253 its reverse (3522435311), we get a palindrome (4657777564).

The spelling of 1135342253 in words is "one billion, one hundred thirty-five million, three hundred forty-two thousand, two hundred fifty-three".