842134761 has 12 divisors (see below), whose sum is σ = 1309987588. Its totient is φ = 518236704.

The previous prime is 842134757. The next prime is 842134807. The reversal of 842134761 is 167431248.

It can be written as a sum of positive squares in 2 ways, for example, as 120890025 + 721244736 = 10995^2 + 26856^2 .

It is not a de Polignac number, because 842134761 - 2² = 842134757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842134721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3598750 + ... + 3598983.

Almost surely, 2^842134761 is an apocalyptic number.

It is an amenable number.

842134761 is a deficient number, since it is larger than the sum of its proper divisors (467852827).

842134761 is a wasteful number, since it uses less digits than its factorization.

842134761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197752 (or 7197749 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 842134761 is about 29019.5582495668. The cubic root of 842134761 is about 944.3374174600.

The spelling of 842134761 in words is "eight hundred forty-two million, one hundred thirty-four thousand, seven hundred sixty-one".