842345134 has 4 divisors (see below), whose sum is σ = 1263517704. Its totient is φ = 421172566.

The previous prime is 842345129. The next prime is 842345149. The reversal of 842345134 is 431543248.

842345134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 842345134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210586282 + ... + 210586285.

It is an arithmetic number, because the mean of its divisors is an integer number (315879426).

Almost surely, 2^842345134 is an apocalyptic number.

842345134 is a deficient number, since it is larger than the sum of its proper divisors (421172570).

842345134 is a wasteful number, since it uses less digits than its factorization.

842345134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421172569.

The product of its digits is 46080, while the sum is 34.

The square root of 842345134 is about 29023.1826993526. The cubic root of 842345134 is about 944.4160456338.

The spelling of 842345134 in words is "eight hundred forty-two million, three hundred forty-five thousand, one hundred thirty-four".