842134361 has 4 divisors (see below), whose sum is σ = 845844432. Its totient is φ = 838424292.

The previous prime is 842134303. The next prime is 842134379. The reversal of 842134361 is 163431248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842134361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842134961) 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, 1854695 + ... + 1855148.

It is an arithmetic number, because the mean of its divisors is an integer number (211461108).

Almost surely, 2^842134361 is an apocalyptic number.

It is an amenable number.

842134361 is a deficient number, since it is larger than the sum of its proper divisors (3710071).

842134361 is a wasteful number, since it uses less digits than its factorization.

842134361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710070.

The product of its digits is 13824, while the sum is 32.

The square root of 842134361 is about 29019.5513576623. The cubic root of 842134361 is about 944.3372679451.

The spelling of 842134361 in words is "eight hundred forty-two million, one hundred thirty-four thousand, three hundred sixty-one".