42134207 has 2 divisors, whose sum is σ = 42134208. Its totient is φ = 42134206.

The previous prime is 42134189. The next prime is 42134219. The reversal of 42134207 is 70243124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42134207 - 2⁸ = 42133951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42134227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067103 + 21067104.

It is an arithmetic number, because the mean of its divisors is an integer number (21067104).

Almost surely, 2^42134207 is an apocalyptic number.

42134207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134207 is an equidigital number, since it uses as much as digits as its factorization.

42134207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42134207 is about 6491.0867349004. The cubic root of 42134207 is about 347.9725145642.

The spelling of 42134207 in words is "forty-two million, one hundred thirty-four thousand, two hundred seven".