348134740138 has 4 divisors (see below), whose sum is σ = 522202110210. Its totient is φ = 174067370068.

The previous prime is 348134740103. The next prime is 348134740141. The reversal of 348134740138 is 831047431843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831047431843 = 10463 ⋅79427261.

It can be written as a sum of positive squares in only one way, i.e., 251635666689 + 96499073449 = 501633^2 + 310643^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87033685033 + ... + 87033685036.

Almost surely, 2^348134740138 is an apocalyptic number.

348134740138 is a deficient number, since it is larger than the sum of its proper divisors (174067370072).

348134740138 is a wasteful number, since it uses less digits than its factorization.

348134740138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174067370071.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 348134740138 in words is "three hundred forty-eight billion, one hundred thirty-four million, seven hundred forty thousand, one hundred thirty-eight".