1318214892 has 12 divisors (see below), whose sum is σ = 3075834776. Its totient is φ = 439404960.

The previous prime is 1318214857. The next prime is 1318214899. The reversal of 1318214892 is 2984128131.

1318214892 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1318214892.

It is not an unprimeable number, because it can be changed into a prime (1318214899) 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, 54925609 + ... + 54925632.

Almost surely, 2^1318214892 is an apocalyptic number.

1318214892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1318214892 is an abundant number, since it is smaller than the sum of its proper divisors (1757619884).

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

1318214892 is a wasteful number, since it uses less digits than its factorization.

1318214892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109851248 (or 109851246 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 1318214892 is about 36307.2291975028. The cubic root of 1318214892 is about 1096.4665938706.

The spelling of 1318214892 in words is "one billion, three hundred eighteen million, two hundred fourteen thousand, eight hundred ninety-two".