138847353 has 8 divisors (see below), whose sum is σ = 189068928. Its totient is φ = 90595344.

The previous prime is 138847351. The next prime is 138847367. The reversal of 138847353 is 353748831.

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

It is not a de Polignac number, because 138847353 - 2¹ = 138847351 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138847351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492226 + ... + 492507.

It is an arithmetic number, because the mean of its divisors is an integer number (23633616).

Almost surely, 2^138847353 is an apocalyptic number.

It is an amenable number.

138847353 is a deficient number, since it is larger than the sum of its proper divisors (50221575).

138847353 is an equidigital number, since it uses as much as digits as its factorization.

138847353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984783.

The product of its digits is 241920, while the sum is 42.

The square root of 138847353 is about 11783.3506694828. The cubic root of 138847353 is about 517.8204545129.

The spelling of 138847353 in words is "one hundred thirty-eight million, eight hundred forty-seven thousand, three hundred fifty-three".