19468136 has 16 divisors (see below), whose sum is σ = 36636000. Its totient is φ = 9698544.

The previous prime is 19468117. The next prime is 19468139. The reversal of 19468136 is 63186491.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 19468136.

It is not an unprimeable number, because it can be changed into a prime (19468139) 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 3 ways as a sum of consecutive naturals, for example, 2036 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (2289750).

Almost surely, 2^19468136 is an apocalyptic number.

It is an amenable number.

19468136 is a deficient number, since it is larger than the sum of its proper divisors (17167864).

19468136 is a wasteful number, since it uses less digits than its factorization.

19468136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888 (or 8884 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 19468136 is about 4412.2710705486. The cubic root of 19468136 is about 269.0139432526.

The spelling of 19468136 in words is "nineteen million, four hundred sixty-eight thousand, one hundred thirty-six".