19140036 has 12 divisors (see below), whose sum is σ = 44660112. Its totient is φ = 6380008.

The previous prime is 19139999. The next prime is 19140059. The reversal of 19140036 is 63004191.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 19139988 and 19140015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797490 + ... + 797513.

It is an arithmetic number, because the mean of its divisors is an integer number (3721676).

Almost surely, 2^19140036 is an apocalyptic number.

It is an amenable number.

19140036 is an abundant number, since it is smaller than the sum of its proper divisors (25520076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19140036 is a wasteful number, since it uses less digits than its factorization.

19140036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595010 (or 1595008 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 19140036 is about 4374.9326851964. The cubic root of 19140036 is about 267.4941262867.

The spelling of 19140036 in words is "nineteen million, one hundred forty thousand, thirty-six".