1168134013 has 4 divisors (see below), whose sum is σ = 1168354300. Its totient is φ = 1167913728.

The previous prime is 1168133969. The next prime is 1168134017. The reversal of 1168134013 is 3104318611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 915546564 + 252587449 = 30258^2 + 15893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168134013 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 (1168134017) 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, 101988 + ... + 112861.

It is an arithmetic number, because the mean of its divisors is an integer number (292088575).

Almost surely, 2^1168134013 is an apocalyptic number.

It is an amenable number.

1168134013 is a deficient number, since it is larger than the sum of its proper divisors (220287).

1168134013 is an equidigital number, since it uses as much as digits as its factorization.

1168134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220286.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1168134013 is about 34177.9755544415. The cubic root of 1168134013 is about 1053.1677617120.

The spelling of 1168134013 in words is "one billion, one hundred sixty-eight million, one hundred thirty-four thousand, thirteen".