1318881882 has 8 divisors (see below), whose sum is σ = 2637763776. Its totient is φ = 439627292.

The previous prime is 1318881881. The next prime is 1318881911. The reversal of 1318881882 is 2881888131.

It is a sphenic number, since it is the product of 3 distinct primes.

1318881882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1318881881) 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, 109906818 + ... + 109906829.

It is an arithmetic number, because the mean of its divisors is an integer number (329720472).

Almost surely, 2^1318881882 is an apocalyptic number.

1318881882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1318881882 is a wasteful number, since it uses less digits than its factorization.

1318881882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219813652.

The product of its digits is 196608, while the sum is 48.

The square root of 1318881882 is about 36316.4133966998. The cubic root of 1318881882 is about 1096.6514926419.

The spelling of 1318881882 in words is "one billion, three hundred eighteen million, eight hundred eighty-one thousand, eight hundred eighty-two".