1135273868 has 12 divisors (see below), whose sum is σ = 1986984720. Its totient is φ = 567563952.

The previous prime is 1135273837. The next prime is 1135273873. The reversal of 1135273868 is 8683725311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32330 + ... + 57582.

It is an arithmetic number, because the mean of its divisors is an integer number (165582060).

Almost surely, 2^1135273868 is an apocalyptic number.

It is an amenable number.

1135273868 is a deficient number, since it is larger than the sum of its proper divisors (851710852).

1135273868 is a wasteful number, since it uses less digits than its factorization.

1135273868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36496 (or 36494 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1135273868 is about 33693.8253690494. The cubic root of 1135273868 is about 1043.1983234566.

The spelling of 1135273868 in words is "one billion, one hundred thirty-five million, two hundred seventy-three thousand, eight hundred sixty-eight".