138003197 has 8 divisors (see below), whose sum is σ = 146033280. Its totient is φ = 130142320.

The previous prime is 138003191. The next prime is 138003221. The reversal of 138003197 is 791300831.

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 138003197 - 2¹² = 137999101 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 (138003191) 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, 40622 + ... + 43887.

It is an arithmetic number, because the mean of its divisors is an integer number (18254160).

Almost surely, 2^138003197 is an apocalyptic number.

It is an amenable number.

138003197 is a deficient number, since it is larger than the sum of its proper divisors (8030083).

138003197 is an equidigital number, since it uses as much as digits as its factorization.

138003197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84603.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 138003197 is about 11747.4761970391. The cubic root of 138003197 is about 516.7689157791.

The spelling of 138003197 in words is "one hundred thirty-eight million, three thousand, one hundred ninety-seven".