1318982196 has 144 divisors (see below), whose sum is σ = 3956190336. Its totient is φ = 339204096.

The previous prime is 1318982143. The next prime is 1318982201. The reversal of 1318982196 is 6912898131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227040 + ... + 232776.

It is an arithmetic number, because the mean of its divisors is an integer number (27473544).

Almost surely, 2^1318982196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318982196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978095168).

1318982196 is an abundant number, since it is smaller than the sum of its proper divisors (2637208140).

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

1318982196 is a wasteful number, since it uses less digits than its factorization.

1318982196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5789 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 1318982196 is about 36317.7944814935. The cubic root of 1318982196 is about 1096.6792956646.

The spelling of 1318982196 in words is "one billion, three hundred eighteen million, nine hundred eighty-two thousand, one hundred ninety-six".