18741141 has 12 divisors (see below), whose sum is σ = 27731340. Its totient is φ = 12189120.

The previous prime is 18741139. The next prime is 18741161. The reversal of 18741141 is 14114781.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 17892900 = 921^2 + 4230^2 .

It is not a de Polignac number, because 18741141 - 2¹ = 18741139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18741101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25026 + ... + 25763.

It is an arithmetic number, because the mean of its divisors is an integer number (2310945).

Almost surely, 2^18741141 is an apocalyptic number.

It is an amenable number.

18741141 is a deficient number, since it is larger than the sum of its proper divisors (8990199).

18741141 is a wasteful number, since it uses less digits than its factorization.

18741141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50836 (or 50833 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 18741141 is about 4329.1039488559. The cubic root of 18741141 is about 265.6227952943.

It can be divided in two parts, 187 and 41141, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 18741141 in words is "eighteen million, seven hundred forty-one thousand, one hundred forty-one".