138744295 has 8 divisors (see below), whose sum is σ = 168838560. Its totient is φ = 109431840.

The previous prime is 138744269. The next prime is 138744343. The reversal of 138744295 is 592447831.

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

It is not a de Polignac number, because 138744295 - 2⁷ = 138744167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195060 + ... + 195769.

It is an arithmetic number, because the mean of its divisors is an integer number (21104820).

Almost surely, 2^138744295 is an apocalyptic number.

138744295 is a deficient number, since it is larger than the sum of its proper divisors (30094265).

138744295 is an equidigital number, since it uses as much as digits as its factorization.

138744295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390905.

The product of its digits is 241920, while the sum is 43.

The square root of 138744295 is about 11778.9768231371. The cubic root of 138744295 is about 517.6923071913.

The spelling of 138744295 in words is "one hundred thirty-eight million, seven hundred forty-four thousand, two hundred ninety-five".