181413827 has 6 divisors (see below), whose sum is σ = 211032468. Its totient is φ = 155497524.

The previous prime is 181413809. The next prime is 181413913. The reversal of 181413827 is 728314181.

It is not a de Polignac number, because 181413827 - 2¹⁴ = 181397443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181413227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851113 + ... + 1851210.

It is an arithmetic number, because the mean of its divisors is an integer number (35172078).

Almost surely, 2^181413827 is an apocalyptic number.

181413827 is a deficient number, since it is larger than the sum of its proper divisors (29618641).

181413827 is an equidigital number, since it uses as much as digits as its factorization.

181413827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702337 (or 3702330 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 181413827 is about 13468.9950256135. The cubic root of 181413827 is about 566.0960549435.

The spelling of 181413827 in words is "one hundred eighty-one million, four hundred thirteen thousand, eight hundred twenty-seven".