42134013 has 28 divisors (see below), whose sum is σ = 65383260. Its totient is φ = 27107136.

The previous prime is 42134003. The next prime is 42134021. The reversal of 42134013 is 31043124.

It can be written as a sum of positive squares in 2 ways, for example, as 26594649 + 15539364 = 5157^2 + 3942^2 .

It is not a de Polignac number, because 42134013 - 2⁴ = 42133997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20145 + ... + 22137.

Almost surely, 2^42134013 is an apocalyptic number.

It is an amenable number.

42134013 is a deficient number, since it is larger than the sum of its proper divisors (23249247).

42134013 is an equidigital number, since it uses as much as digits as its factorization.

42134013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42134013 is about 6491.0717913146. The cubic root of 42134013 is about 347.9719805027.

Adding to 42134013 its reverse (31043124), we get a palindrome (73177137).

The spelling of 42134013 in words is "forty-two million, one hundred thirty-four thousand, thirteen".