1135253869 has 8 divisors (see below), whose sum is σ = 1185700320. Its totient is φ = 1085847696.

The previous prime is 1135253851. The next prime is 1135253881. The reversal of 1135253869 is 9683525311.

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 1135253869 - 2⁷ = 1135253741 is a prime.

It is a super-2 number, since 2×1135253869² = 2577602694158938322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135053869) 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, 257839 + ... + 262204.

It is an arithmetic number, because the mean of its divisors is an integer number (148212540).

Almost surely, 2^1135253869 is an apocalyptic number.

It is an amenable number.

1135253869 is a deficient number, since it is larger than the sum of its proper divisors (50446451).

1135253869 is an equidigital number, since it uses as much as digits as its factorization.

1135253869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520139.

The product of its digits is 194400, while the sum is 43.

The square root of 1135253869 is about 33693.5285922980. The cubic root of 1135253869 is about 1043.1921977553.

The spelling of 1135253869 in words is "one billion, one hundred thirty-five million, two hundred fifty-three thousand, eight hundred sixty-nine".