138009314 has 4 divisors (see below), whose sum is σ = 207013974. Its totient is φ = 69004656.

The previous prime is 138009307. The next prime is 138009323. The reversal of 138009314 is 413900831.

138009314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 25331089 = 10615^2 + 5033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34502327 + ... + 34502330.

Almost surely, 2^138009314 is an apocalyptic number.

138009314 is a deficient number, since it is larger than the sum of its proper divisors (69004660).

138009314 is an equidigital number, since it uses as much as digits as its factorization.

138009314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69004659.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 138009314 is about 11747.7365479483. The cubic root of 138009314 is about 516.7765509374.

The spelling of 138009314 in words is "one hundred thirty-eight million, nine thousand, three hundred fourteen".