348067400138 has 4 divisors (see below), whose sum is σ = 522101100210. Its totient is φ = 174033700068.

The previous prime is 348067400123. The next prime is 348067400203. The reversal of 348067400138 is 831004760843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831004760843 = 2213 ⋅375510511.

It can be written as a sum of positive squares in only one way, i.e., 332475632449 + 15591767689 = 576607^2 + 124867^2 .

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 as a sum of consecutive naturals, namely, 87016850033 + ... + 87016850036.

Almost surely, 2^348067400138 is an apocalyptic number.

348067400138 is a deficient number, since it is larger than the sum of its proper divisors (174033700072).

348067400138 is a wasteful number, since it uses less digits than its factorization.

348067400138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174033700071.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 348067400138 in words is "three hundred forty-eight billion, sixty-seven million, four hundred thousand, one hundred thirty-eight".