1318835812 has 48 divisors (see below), whose sum is σ = 2692141312. Its totient is φ = 553651200.

The previous prime is 1318835773. The next prime is 1318835851. The reversal of 1318835812 is 2185388131.

It is an interprime number because it is at equal distance from previous prime (1318835773) and next prime (1318835851).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 306508 + ... + 310780.

Almost surely, 2^1318835812 is an apocalyptic number.

It is an amenable number.

1318835812 is an abundant number, since it is smaller than the sum of its proper divisors (1373305500).

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

1318835812 is a wasteful number, since it uses less digits than its factorization.

1318835812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508 (or 4506 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The square root of 1318835812 is about 36315.7791049566. The cubic root of 1318835812 is about 1096.6387234108.

The spelling of 1318835812 in words is "one billion, three hundred eighteen million, eight hundred thirty-five thousand, eight hundred twelve".