42134927 has 2 divisors, whose sum is σ = 42134928. Its totient is φ = 42134926.

The previous prime is 42134923. The next prime is 42134977. The reversal of 42134927 is 72943124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42134927 - 2² = 42134923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42134893 and 42134902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42134923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067463 + 21067464.

It is an arithmetic number, because the mean of its divisors is an integer number (21067464).

Almost surely, 2^42134927 is an apocalyptic number.

42134927 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134927 is an equidigital number, since it uses as much as digits as its factorization.

42134927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 42134927 is about 6491.1421953305. The cubic root of 42134927 is about 347.9744966337.

The spelling of 42134927 in words is "forty-two million, one hundred thirty-four thousand, nine hundred twenty-seven".