1413171820 has 24 divisors (see below), whose sum is σ = 2978159184. Its totient is φ = 563269056.

The previous prime is 1413171803. The next prime is 1413171853. The reversal of 1413171820 is 281713141.

It is a super-2 number, since 2×1413171820² = 3994109185684224800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119179 + ... + 130498.

It is an arithmetic number, because the mean of its divisors is an integer number (124089966).

Almost surely, 2^1413171820 is an apocalyptic number.

1413171820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1413171820 is an abundant number, since it is smaller than the sum of its proper divisors (1564987364).

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

1413171820 is a wasteful number, since it uses less digits than its factorization.

1413171820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249969 (or 249967 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1413171820 is about 37592.1776437599. The cubic root of 1413171820 is about 1122.1863701182.

Adding to 1413171820 its reverse (281713141), we get a palindrome (1694884961).

It can be divided in two parts, 141 and 3171820, that added together give a square (3171961 = 1781²).

The spelling of 1413171820 in words is "one billion, four hundred thirteen million, one hundred seventy-one thousand, eight hundred twenty".