1318141117 has 4 divisors (see below), whose sum is σ = 1318215456. Its totient is φ = 1318066780.

The previous prime is 1318141081. The next prime is 1318141127. The reversal of 1318141117 is 7111418131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7111418131 = 43 ⋅165381817.

It is a cyclic number.

It is not a de Polignac number, because 1318141117 - 2¹⁹ = 1317616829 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 (1318141127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6642 + ... + 51772.

It is an arithmetic number, because the mean of its divisors is an integer number (329553864).

Almost surely, 2^1318141117 is an apocalyptic number.

It is an amenable number.

1318141117 is a deficient number, since it is larger than the sum of its proper divisors (74339).

1318141117 is an equidigital number, since it uses as much as digits as its factorization.

1318141117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74338.

The product of its digits is 672, while the sum is 28.

The square root of 1318141117 is about 36306.2132010487. The cubic root of 1318141117 is about 1096.4461385987.

Adding to 1318141117 its reverse (7111418131), we get a palindrome (8429559248).

The spelling of 1318141117 in words is "one billion, three hundred eighteen million, one hundred forty-one thousand, one hundred seventeen".