138219059 has 8 divisors (see below), whose sum is σ = 150869952. Its totient is φ = 125582440.

The previous prime is 138219041. The next prime is 138219079. The reversal of 138219059 is 950912831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138219059 - 2¹² = 138214963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138219019) 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, 33272 + ... + 37194.

It is an arithmetic number, because the mean of its divisors is an integer number (18858744).

Almost surely, 2^138219059 is an apocalyptic number.

138219059 is a deficient number, since it is larger than the sum of its proper divisors (12650893).

138219059 is a wasteful number, since it uses less digits than its factorization.

138219059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 138219059 is about 11756.6601975221. The cubic root of 138219059 is about 517.0382154832.

The spelling of 138219059 in words is "one hundred thirty-eight million, two hundred nineteen thousand, fifty-nine".