138379201 has 8 divisors (see below), whose sum is σ = 152889984. Its totient is φ = 124576320.

The previous prime is 138379159. The next prime is 138379211. The reversal of 138379201 is 102973831.

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 138379201 - 2¹¹ = 138377153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138379211) by changing a digit.

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, 176565 + ... + 177346.

It is an arithmetic number, because the mean of its divisors is an integer number (19111248).

Almost surely, 2^138379201 is an apocalyptic number.

It is an amenable number.

138379201 is a deficient number, since it is larger than the sum of its proper divisors (14510783).

138379201 is a wasteful number, since it uses less digits than its factorization.

138379201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353951.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 138379201 is about 11763.4689186481. The cubic root of 138379201 is about 517.2378203172.

The spelling of 138379201 in words is "one hundred thirty-eight million, three hundred seventy-nine thousand, two hundred one".