138007199 has 8 divisors (see below), whose sum is σ = 157099392. Its totient is φ = 120006040.

The previous prime is 138007187. The next prime is 138007213. The reversal of 138007199 is 991700831.

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

It is a de Polignac number, because none of the positive numbers 2^k-138007199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138007109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272489 + ... + 272994.

It is an arithmetic number, because the mean of its divisors is an integer number (19637424).

Almost surely, 2^138007199 is an apocalyptic number.

138007199 is a deficient number, since it is larger than the sum of its proper divisors (19092193).

138007199 is a wasteful number, since it uses less digits than its factorization.

138007199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545517.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 138007199 is about 11747.6465302630. The cubic root of 138007199 is about 516.7739110480.

The spelling of 138007199 in words is "one hundred thirty-eight million, seven thousand, one hundred ninety-nine".