19136068 has 36 divisors (see below), whose sum is σ = 39429180. Its totient is φ = 8101632.

The previous prime is 19136041. The next prime is 19136093. The reversal of 19136068 is 86063191.

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 14607684 = 2128^2 + 3822^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16896 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (1095255).

Almost surely, 2^19136068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19136068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19714590).

19136068 is an abundant number, since it is smaller than the sum of its proper divisors (20293112).

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

19136068 is a wasteful number, since it uses less digits than its factorization.

19136068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 19136068 is about 4374.4791689983. The cubic root of 19136068 is about 267.4756399047.

The spelling of 19136068 in words is "nineteen million, one hundred thirty-six thousand, sixty-eight".