138854347 has 4 divisors (see below), whose sum is σ = 139301136. Its totient is φ = 138407560.

The previous prime is 138854327. The next prime is 138854357. The reversal of 138854347 is 743458831.

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

It is a cyclic number.

It is not a de Polignac number, because 138854347 - 2²³ = 130465739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138854327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222928 + ... + 223549.

It is an arithmetic number, because the mean of its divisors is an integer number (34825284).

Almost surely, 2^138854347 is an apocalyptic number.

138854347 is a deficient number, since it is larger than the sum of its proper divisors (446789).

138854347 is an equidigital number, since it uses as much as digits as its factorization.

138854347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446788.

The product of its digits is 322560, while the sum is 43.

The square root of 138854347 is about 11783.6474404150. The cubic root of 138854347 is about 517.8291488941.

The spelling of 138854347 in words is "one hundred thirty-eight million, eight hundred fifty-four thousand, three hundred forty-seven".