138508114 has 8 divisors (see below), whose sum is σ = 207819900. Its totient is φ = 69234816.

The previous prime is 138508103. The next prime is 138508121. The reversal of 138508114 is 411805831.

It can be written as a sum of positive squares in 2 ways, for example, as 102111025 + 36397089 = 10105^2 + 6033^2 .

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, 2362 + ... + 16810.

Almost surely, 2^138508114 is an apocalyptic number.

138508114 is a deficient number, since it is larger than the sum of its proper divisors (69311786).

138508114 is a wasteful number, since it uses less digits than its factorization.

138508114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19244.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 138508114 is about 11768.9470217178. The cubic root of 138508114 is about 517.3983887253.

The spelling of 138508114 in words is "one hundred thirty-eight million, five hundred eight thousand, one hundred fourteen".