1813314120 has 64 divisors (see below), whose sum is σ = 5496059520. Its totient is φ = 478562304.

The previous prime is 1813314103. The next prime is 1813314133. The reversal of 1813314120 is 214133181.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66252 + ... + 89531.

It is an arithmetic number, because the mean of its divisors is an integer number (85875930).

Almost surely, 2^1813314120 is an apocalyptic number.

1813314120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1813314120 is an abundant number, since it is smaller than the sum of its proper divisors (3682745400).

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

1813314120 is a wasteful number, since it uses less digits than its factorization.

1813314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155894 (or 155890 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1813314120 is about 42583.0261958917. The cubic root of 1813314120 is about 1219.4322629383.

The spelling of 1813314120 in words is "one billion, eight hundred thirteen million, three hundred fourteen thousand, one hundred twenty".