19362138 has 16 divisors (see below), whose sum is σ = 38810880. Its totient is φ = 6439616.

The previous prime is 19362131. The next prime is 19362139. The reversal of 19362138 is 83126391.

It is a junction number, because it is equal to n+sod(n) for n = 19362099 and 19362108.

It is not an unprimeable number, because it can be changed into a prime (19362131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 495 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (2425680).

Almost surely, 2^19362138 is an apocalyptic number.

19362138 is an abundant number, since it is smaller than the sum of its proper divisors (19448742).

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

19362138 is a wasteful number, since it uses less digits than its factorization.

19362138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221.

The product of its digits is 7776, while the sum is 33.

The square root of 19362138 is about 4400.2429478382. The cubic root of 19362138 is about 268.5248218022.

The spelling of 19362138 in words is "nineteen million, three hundred sixty-two thousand, one hundred thirty-eight".