138340295 has 24 divisors (see below), whose sum is σ = 173837664. Its totient is φ = 105676928.

The previous prime is 138340289. The next prime is 138340313. The reversal of 138340295 is 592043831.

It is not a de Polignac number, because 138340295 - 2⁶ = 138340231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702137 + ... + 702333.

It is an arithmetic number, because the mean of its divisors is an integer number (7243236).

Almost surely, 2^138340295 is an apocalyptic number.

138340295 is a deficient number, since it is larger than the sum of its proper divisors (35497369).

138340295 is a wasteful number, since it uses less digits than its factorization.

138340295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 138340295 is about 11761.8151235258. The cubic root of 138340295 is about 517.1893411124.

The spelling of 138340295 in words is "one hundred thirty-eight million, three hundred forty thousand, two hundred ninety-five".