138230162 has 32 divisors (see below), whose sum is σ = 251569152. Its totient is φ = 55609344.

The previous prime is 138230119. The next prime is 138230173. The reversal of 138230162 is 261032831.

138230162 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 159743 + ... + 160605.

It is an arithmetic number, because the mean of its divisors is an integer number (7861536).

Almost surely, 2^138230162 is an apocalyptic number.

138230162 is a deficient number, since it is larger than the sum of its proper divisors (113338990).

138230162 is a wasteful number, since it uses less digits than its factorization.

138230162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 138230162 is about 11757.1323884696. The cubic root of 138230162 is about 517.0520595016.

Adding to 138230162 its reverse (261032831), we get a palindrome (399262993).

The spelling of 138230162 in words is "one hundred thirty-eight million, two hundred thirty thousand, one hundred sixty-two".