42134627 has 2 divisors, whose sum is σ = 42134628. Its totient is φ = 42134626.

The previous prime is 42134623. The next prime is 42134633. The reversal of 42134627 is 72643124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42134627 - 2² = 42134623 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42134627.

It is not a weakly prime, because it can be changed into another prime (42134621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067313 + 21067314.

It is an arithmetic number, because the mean of its divisors is an integer number (21067314).

Almost surely, 2^42134627 is an apocalyptic number.

42134627 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134627 is an equidigital number, since it uses as much as digits as its factorization.

42134627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 42134627 is about 6491.1190868755. The cubic root of 42134627 is about 347.9736707741.

The spelling of 42134627 in words is "forty-two million, one hundred thirty-four thousand, six hundred twenty-seven".