19014109 has 8 divisors (see below), whose sum is σ = 20329920. Its totient is φ = 17720256.

The previous prime is 19014103. The next prime is 19014133. The reversal of 19014109 is 90141091.

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

It is not a de Polignac number, because 19014109 - 2³ = 19014101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19014101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (2541240).

Almost surely, 2^19014109 is an apocalyptic number.

It is an amenable number.

19014109 is a deficient number, since it is larger than the sum of its proper divisors (1315811).

19014109 is a wasteful number, since it uses less digits than its factorization.

19014109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 19014109 is about 4360.5170564969. The cubic root of 19014109 is about 266.9061984927.

The spelling of 19014109 in words is "nineteen million, fourteen thousand, one hundred nine".