18141364 has 6 divisors (see below), whose sum is σ = 31747394. Its totient is φ = 9070680.

The previous prime is 18141349. The next prime is 18141367. The reversal of 18141364 is 46314181.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 5253264 = 3590^2 + 2292^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18141367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267667 + ... + 2267674.

Almost surely, 2^18141364 is an apocalyptic number.

It is an amenable number.

18141364 is a deficient number, since it is larger than the sum of its proper divisors (13606030).

18141364 is a wasteful number, since it uses less digits than its factorization.

18141364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535345 (or 4535343 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 18141364 is about 4259.2680122293. The cubic root of 18141364 is about 262.7584224546.

The spelling of 18141364 in words is "eighteen million, one hundred forty-one thousand, three hundred sixty-four".