18629141 has 4 divisors (see below), whose sum is σ = 18821292. Its totient is φ = 18436992.

The previous prime is 18629137. The next prime is 18629153. The reversal of 18629141 is 14192681.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 13476241 = 2270^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 18629141 - 2² = 18629137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18629098 and 18629107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18629111) 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, 95930 + ... + 96123.

It is an arithmetic number, because the mean of its divisors is an integer number (4705323).

Almost surely, 2^18629141 is an apocalyptic number.

It is an amenable number.

18629141 is a deficient number, since it is larger than the sum of its proper divisors (192151).

18629141 is an equidigital number, since it uses as much as digits as its factorization.

18629141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192150.

The product of its digits is 3456, while the sum is 32.

The square root of 18629141 is about 4316.1488621223. The cubic root of 18629141 is about 265.0926032125.

The spelling of 18629141 in words is "eighteen million, six hundred twenty-nine thousand, one hundred forty-one".