18142913 has 8 divisors (see below), whose sum is σ = 18951360. Its totient is φ = 17351280.

The previous prime is 18142879. The next prime is 18142919. The reversal of 18142913 is 31924181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18142913 - 2¹⁰ = 18141889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18142919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (2368920).

Almost surely, 2^18142913 is an apocalyptic number.

It is an amenable number.

18142913 is a deficient number, since it is larger than the sum of its proper divisors (808447).

18142913 is an equidigital number, since it uses as much as digits as its factorization.

18142913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407.

The product of its digits is 1728, while the sum is 29.

The square root of 18142913 is about 4259.4498471047. The cubic root of 18142913 is about 262.7659007826.

The spelling of 18142913 in words is "eighteen million, one hundred forty-two thousand, nine hundred thirteen".