42134269 has 2 divisors, whose sum is σ = 42134270. Its totient is φ = 42134268.

The previous prime is 42134251. The next prime is 42134297. The reversal of 42134269 is 96243124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 19448100 = 4763^2 + 4410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42134269 is a prime.

It is a super-2 number, since 2×42134269² = 3550593248328722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42134269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42134219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067134 + 21067135.

It is an arithmetic number, because the mean of its divisors is an integer number (21067135).

Almost surely, 2^42134269 is an apocalyptic number.

It is an amenable number.

42134269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134269 is an equidigital number, since it uses as much as digits as its factorization.

42134269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 42134269 is about 6491.0915106783. The cubic root of 42134269 is about 347.9726852433.

The spelling of 42134269 in words is "forty-two million, one hundred thirty-four thousand, two hundred sixty-nine".