18514133 has 4 divisors (see below), whose sum is σ = 20197248. Its totient is φ = 16831020.

The previous prime is 18514127. The next prime is 18514157. The reversal of 18514133 is 33141581.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33141581 = 11 ⋅3012871.

It is a cyclic number.

It is not a de Polignac number, because 18514133 - 2⁸ = 18513877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18514163) 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, 841541 + ... + 841562.

It is an arithmetic number, because the mean of its divisors is an integer number (5049312).

Almost surely, 2^18514133 is an apocalyptic number.

It is an amenable number.

18514133 is a deficient number, since it is larger than the sum of its proper divisors (1683115).

18514133 is a wasteful number, since it uses less digits than its factorization.

18514133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683114.

The product of its digits is 1440, while the sum is 26.

The square root of 18514133 is about 4302.8052477425. The cubic root of 18514133 is about 264.5459556157.

The spelling of 18514133 in words is "eighteen million, five hundred fourteen thousand, one hundred thirty-three".