348139618 has 8 divisors (see below), whose sum is σ = 522402012. Its totient is φ = 174005616.

The previous prime is 348139613. The next prime is 348139621. The reversal of 348139618 is 816931843.

It can be written as a sum of positive squares in 2 ways, for example, as 347934409 + 205209 = 18653^2 + 453^2 .

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

It is not an unprimeable number, because it can be changed into a prime (348139613) 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, 25005 + ... + 36352.

Almost surely, 2^348139618 is an apocalyptic number.

348139618 is a deficient number, since it is larger than the sum of its proper divisors (174262394).

348139618 is a wasteful number, since it uses less digits than its factorization.

348139618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64196.

The product of its digits is 124416, while the sum is 43.

The square root of 348139618 is about 18658.4998861109. The cubic root of 348139618 is about 703.4790193083.

The spelling of 348139618 in words is "three hundred forty-eight million, one hundred thirty-nine thousand, six hundred eighteen".