18137341 has 4 divisors (see below), whose sum is σ = 18175072. Its totient is φ = 18099612.

The previous prime is 18137321. The next prime is 18137359. The reversal of 18137341 is 14373181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18137341 - 2⁷ = 18137213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18137311) 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, 18135 + ... + 19108.

It is an arithmetic number, because the mean of its divisors is an integer number (4543768).

Almost surely, 2^18137341 is an apocalyptic number.

It is an amenable number.

18137341 is a deficient number, since it is larger than the sum of its proper divisors (37731).

18137341 is an equidigital number, since it uses as much as digits as its factorization.

18137341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37730.

The product of its digits is 2016, while the sum is 28.

The square root of 18137341 is about 4258.7957217974. The cubic root of 18137341 is about 262.7389980555.

The spelling of 18137341 in words is "eighteen million, one hundred thirty-seven thousand, three hundred forty-one".