138328598 has 8 divisors (see below), whose sum is σ = 207745680. Its totient is φ = 69080040.

The previous prime is 138328577. The next prime is 138328633. The reversal of 138328598 is 895823831.

138328598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40058 + ... + 43373.

It is an arithmetic number, because the mean of its divisors is an integer number (25968210).

Almost surely, 2^138328598 is an apocalyptic number.

138328598 is a deficient number, since it is larger than the sum of its proper divisors (69417082).

138328598 is an equidigital number, since it uses as much as digits as its factorization.

138328598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84262.

The product of its digits is 414720, while the sum is 47.

The square root of 138328598 is about 11761.3178683343. The cubic root of 138328598 is about 517.1747641731.

The spelling of 138328598 in words is "one hundred thirty-eight million, three hundred twenty-eight thousand, five hundred ninety-eight".