18141128 has 16 divisors (see below), whose sum is σ = 34063260. Its totient is φ = 9057600.

The previous prime is 18141127. The next prime is 18141161. The reversal of 18141128 is 82114181.

It can be written as a sum of positive squares in 2 ways, for example, as 17825284 + 315844 = 4222^2 + 562^2 .

It is a super-2 number, since 2×18141128² = 658201050224768, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 18141097 and 18141106.

It is not an unprimeable number, because it can be changed into a prime (18141127) 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, 7058 + ... + 9278.

Almost surely, 2^18141128 is an apocalyptic number.

It is an amenable number.

18141128 is a deficient number, since it is larger than the sum of its proper divisors (15922132).

18141128 is a wasteful number, since it uses less digits than its factorization.

18141128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248 (or 3244 counting only the distinct ones).

The product of its digits is 512, while the sum is 26.

The square root of 18141128 is about 4259.2403078483. The cubic root of 18141128 is about 262.7572830464.

The spelling of 18141128 in words is "eighteen million, one hundred forty-one thousand, one hundred twenty-eight".