1168135356 has 12 divisors (see below), whose sum is σ = 2725649192. Its totient is φ = 389378448.

The previous prime is 1168135351. The next prime is 1168135357. The reversal of 1168135356 is 6535318611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168135351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48672295 + ... + 48672318.

Almost surely, 2^1168135356 is an apocalyptic number.

It is an amenable number.

1168135356 is an abundant number, since it is smaller than the sum of its proper divisors (1557513836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1168135356 is a wasteful number, since it uses less digits than its factorization.

1168135356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97344620 (or 97344618 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 1168135356 is about 34177.9952015913. The cubic root of 1168135356 is about 1053.1681653197.

The spelling of 1168135356 in words is "one billion, one hundred sixty-eight million, one hundred thirty-five thousand, three hundred fifty-six".