18941134 has 4 divisors (see below), whose sum is σ = 28411704. Its totient is φ = 9470566.

The previous prime is 18941129. The next prime is 18941137. The reversal of 18941134 is 43114981.

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

It is a junction number, because it is equal to n+sod(n) for n = 18941096 and 18941105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18941137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4735282 + ... + 4735285.

It is an arithmetic number, because the mean of its divisors is an integer number (7102926).

Almost surely, 2^18941134 is an apocalyptic number.

18941134 is a deficient number, since it is larger than the sum of its proper divisors (9470570).

18941134 is an equidigital number, since it uses as much as digits as its factorization.

18941134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470569.

The product of its digits is 3456, while the sum is 31.

The square root of 18941134 is about 4352.1413120440. The cubic root of 18941134 is about 266.5643041150.

The spelling of 18941134 in words is "eighteen million, nine hundred forty-one thousand, one hundred thirty-four".