348140305507 has 4 divisors (see below), whose sum is σ = 348570640440. Its totient is φ = 347709970576.

The previous prime is 348140305493. The next prime is 348140305577. The reversal of 348140305507 is 705503041843.

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 348140305507 - 2¹⁹ = 348139781219 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348140305507.

It is not an unprimeable number, because it can be changed into a prime (348140305577) 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, 215166253 + ... + 215167870.

It is an arithmetic number, because the mean of its divisors is an integer number (87142660110).

Almost surely, 2^348140305507 is an apocalyptic number.

348140305507 is a deficient number, since it is larger than the sum of its proper divisors (430334933).

348140305507 is an equidigital number, since it uses as much as digits as its factorization.

348140305507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430334932.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 348140305507 in words is "three hundred forty-eight billion, one hundred forty million, three hundred five thousand, five hundred seven".