16230138 has 16 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 5091776.

The previous prime is 16230127. The next prime is 16230173. The reversal of 16230138 is 83103261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79458 + ... + 79661.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 2^16230138 is an apocalyptic number.

16230138 is an abundant number, since it is smaller than the sum of its proper divisors (18139782).

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

16230138 is a wasteful number, since it uses less digits than its factorization.

16230138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159141.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16230138 is about 4028.6645429968. The cubic root of 16230138 is about 253.1866121016.

Adding to 16230138 its reverse (83103261), we get a palindrome (99333399).

The spelling of 16230138 in words is "sixteen million, two hundred thirty thousand, one hundred thirty-eight".