138808314 has 12 divisors (see below), whose sum is σ = 300751386. Its totient is φ = 46269432.

The previous prime is 138808273. The next prime is 138808321. The reversal of 138808314 is 413808831.

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 17918289 = 10995^2 + 4233^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3855769 + ... + 3855804.

Almost surely, 2^138808314 is an apocalyptic number.

138808314 is an abundant number, since it is smaller than the sum of its proper divisors (161943072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138808314 is a wasteful number, since it uses less digits than its factorization.

138808314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711581 (or 7711578 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 138808314 is about 11781.6940208104. The cubic root of 138808314 is about 517.7719189876.

The spelling of 138808314 in words is "one hundred thirty-eight million, eight hundred eight thousand, three hundred fourteen".