138338098 has 8 divisors (see below), whose sum is σ = 207647280. Its totient is φ = 69122340.

The previous prime is 138338051. The next prime is 138338099. The reversal of 138338098 is 890833831.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (138338099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19528 + ... + 25651.

It is an arithmetic number, because the mean of its divisors is an integer number (25955910).

Almost surely, 2^138338098 is an apocalyptic number.

138338098 is a deficient number, since it is larger than the sum of its proper divisors (69309182).

138338098 is a wasteful number, since it uses less digits than its factorization.

138338098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46712.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 138338098 is about 11761.7217277064. The cubic root of 138338098 is about 517.1866032478.

The spelling of 138338098 in words is "one hundred thirty-eight million, three hundred thirty-eight thousand, ninety-eight".