1318711142 has 32 divisors (see below), whose sum is σ = 2342891520. Its totient is φ = 544672800.

The previous prime is 1318711127. The next prime is 1318711151. The reversal of 1318711142 is 2411178131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243767 + ... + 249117.

It is an arithmetic number, because the mean of its divisors is an integer number (73215360).

Almost surely, 2^1318711142 is an apocalyptic number.

1318711142 is a deficient number, since it is larger than the sum of its proper divisors (1024180378).

1318711142 is a wasteful number, since it uses less digits than its factorization.

1318711142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996.

The product of its digits is 1344, while the sum is 29.

The square root of 1318711142 is about 36314.0625928854. The cubic root of 1318711142 is about 1096.6041671108.

Adding to 1318711142 its reverse (2411178131), we get a palindrome (3729889273).

The spelling of 1318711142 in words is "one billion, three hundred eighteen million, seven hundred eleven thousand, one hundred forty-two".