18541130 has 8 divisors (see below), whose sum is σ = 33374052. Its totient is φ = 7416448.

The previous prime is 18541129. The next prime is 18541141. The reversal of 18541130 is 3114581.

It can be written as a sum of positive squares in 2 ways, for example, as 15217801 + 3323329 = 3901^2 + 1823^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18541096 and 18541105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927047 + ... + 927066.

Almost surely, 2^18541130 is an apocalyptic number.

18541130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18541130 is a deficient number, since it is larger than the sum of its proper divisors (14832922).

18541130 is a wasteful number, since it uses less digits than its factorization.

18541130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854120.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 18541130 is about 4305.9412443739. The cubic root of 18541130 is about 264.6744786662.

The spelling of 18541130 in words is "eighteen million, five hundred forty-one thousand, one hundred thirty".