138227498 has 8 divisors (see below), whose sum is σ = 211253508. Its totient is φ = 67809664.

The previous prime is 138227477. The next prime is 138227503. The reversal of 138227498 is 894722831.

138227498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134397649 + 3829849 = 11593^2 + 1957^2 .

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

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, 651911 + ... + 652122.

Almost surely, 2^138227498 is an apocalyptic number.

138227498 is a deficient number, since it is larger than the sum of its proper divisors (73026010).

138227498 is a wasteful number, since it uses less digits than its factorization.

138227498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304088.

The product of its digits is 193536, while the sum is 44.

The square root of 138227498 is about 11757.0190949917. The cubic root of 138227498 is about 517.0487379025.

The spelling of 138227498 in words is "one hundred thirty-eight million, two hundred twenty-seven thousand, four hundred ninety-eight".