842134159 has 2 divisors, whose sum is σ = 842134160. Its totient is φ = 842134158.

The previous prime is 842134157. The next prime is 842134177. The reversal of 842134159 is 951431248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842134159 - 2¹ = 842134157 is a prime.

Together with 842134157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842134157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421067079 + 421067080.

It is an arithmetic number, because the mean of its divisors is an integer number (421067080).

Almost surely, 2^842134159 is an apocalyptic number.

842134159 is a deficient number, since it is larger than the sum of its proper divisors (1).

842134159 is an equidigital number, since it uses as much as digits as its factorization.

842134159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 842134159 is about 29019.5478772499. The cubic root of 842134159 is about 944.3371924401.

The spelling of 842134159 in words is "eight hundred forty-two million, one hundred thirty-four thousand, one hundred fifty-nine".