1168135684 has 27 divisors (see below), whose sum is σ = 2139861703. Its totient is φ = 557921672.

The previous prime is 1168135681. The next prime is 1168135691. The reversal of 1168135684 is 4865318611.

The square root of 1168135684 is 34178.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (138240) is a multiple of the sum of its prime divisors (768).

It is a self number, because there is not a number n which added to its sum of digits gives 1168135684.

It is not an unprimeable number, because it can be changed into a prime (1168135681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1571817 + ... + 1572559.

Almost surely, 2^1168135684 is an apocalyptic number.

1168135684 is the 34178-th square number.

It is an amenable number.

1168135684 is a deficient number, since it is larger than the sum of its proper divisors (971726019).

1168135684 is an frugal number, since it uses more digits than its factorization.

1168135684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 768 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The cubic root of 1168135684 is about 1053.1682638925.

The spelling of 1168135684 in words is "one billion, one hundred sixty-eight million, one hundred thirty-five thousand, six hundred eighty-four".