42134541289 has 3 divisors (see below), whose sum is σ = 42134746557. Its totient is φ = 42134336022.

The previous prime is 42134541287. The next prime is 42134541313. The reversal of 42134541289 is 98214543124.

The square root of 42134541289 is 205267.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 42134541289 - 2¹ = 42134541287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42134541287) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 102634 + ... + 307900.

It is an arithmetic number, because the mean of its divisors is an integer number (14044915519).

Almost surely, 2^42134541289 is an apocalyptic number.

42134541289 is the 205267-th square number.

42134541289 is the 102634-th centered octagonal number.

It is an amenable number.

42134541289 is a deficient number, since it is larger than the sum of its proper divisors (205268).

42134541289 is an frugal number, since it uses more digits than its factorization.

42134541289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410534 (or 205267 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 42134541289 in words is "forty-two billion, one hundred thirty-four million, five hundred forty-one thousand, two hundred eighty-nine".