19136814 has 16 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 6371192.

The previous prime is 19136809. The next prime is 19136833. The reversal of 19136814 is 41863191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5779 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (2395008).

Almost surely, 2^19136814 is an apocalyptic number.

19136814 is an abundant number, since it is smaller than the sum of its proper divisors (19183314).

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

19136814 is a wasteful number, since it uses less digits than its factorization.

19136814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879.

The product of its digits is 5184, while the sum is 33.

The square root of 19136814 is about 4374.5644354610. The cubic root of 19136814 is about 267.4791156141.

The spelling of 19136814 in words is "nineteen million, one hundred thirty-six thousand, eight hundred fourteen".