19140011 has 16 divisors (see below), whose sum is σ = 23276160. Its totient is φ = 15511680.

The previous prime is 19139999. The next prime is 19140059. The reversal of 19140011 is 11004191.

It is a cyclic number.

It is not a de Polignac number, because 19140011 - 2⁶ = 19139947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19140061) 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 15 ways as a sum of consecutive naturals, for example, 860 + ... + 6246.

It is an arithmetic number, because the mean of its divisors is an integer number (1454760).

Almost surely, 2^19140011 is an apocalyptic number.

19140011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19140011 is a deficient number, since it is larger than the sum of its proper divisors (4136149).

19140011 is a wasteful number, since it uses less digits than its factorization.

19140011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 19140011 is about 4374.9298280087. The cubic root of 19140011 is about 267.4940098231.

The spelling of 19140011 in words is "nineteen million, one hundred forty thousand, eleven".