19140105 has 8 divisors (see below), whose sum is σ = 30624192. Its totient is φ = 10208048.

The previous prime is 19140103. The next prime is 19140167. The reversal of 19140105 is 50104191.

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

It is a cyclic number.

It is not a de Polignac number, because 19140105 - 2¹ = 19140103 is a prime.

It is a super-2 number, since 2×19140105² = 732687238822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19140103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637989 + ... + 638018.

It is an arithmetic number, because the mean of its divisors is an integer number (3828024).

Almost surely, 2^19140105 is an apocalyptic number.

19140105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19140105 is a deficient number, since it is larger than the sum of its proper divisors (11484087).

19140105 is a wasteful number, since it uses less digits than its factorization.

19140105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276015.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 19140105 is about 4374.9405710249. The cubic root of 19140105 is about 267.4944477259.

Adding to 19140105 its reverse (50104191), we get a palindrome (69244296).

The spelling of 19140105 in words is "nineteen million, one hundred forty thousand, one hundred five".