1318351914 has 48 divisors (see below), whose sum is σ = 3153687264. Its totient is φ = 394682400.

The previous prime is 1318351913. The next prime is 1318351949. The reversal of 1318351914 is 4191538131.

It is a happy number.

1318351914 is a `hidden beast` number, since 131 + 8 + 3 + 519 + 1 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1318351913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23677 + ... + 56544.

It is an arithmetic number, because the mean of its divisors is an integer number (65701818).

Almost surely, 2^1318351914 is an apocalyptic number.

1318351914 is an abundant number, since it is smaller than the sum of its proper divisors (1835335350).

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

1318351914 is a wasteful number, since it uses less digits than its factorization.

1318351914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80323 (or 80320 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 1318351914 is about 36309.1161280470. The cubic root of 1318351914 is about 1096.5045833368.

The spelling of 1318351914 in words is "one billion, three hundred eighteen million, three hundred fifty-one thousand, nine hundred fourteen".