42136127 has 4 divisors (see below), whose sum is σ = 45966696. Its totient is φ = 38305560.

The previous prime is 42136117. The next prime is 42136139. The reversal of 42136127 is 72163124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42136127 - 2⁸ = 42135871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42136096 and 42136105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42136117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915268 + ... + 1915289.

It is an arithmetic number, because the mean of its divisors is an integer number (11491674).

Almost surely, 2^42136127 is an apocalyptic number.

42136127 is a deficient number, since it is larger than the sum of its proper divisors (3830569).

42136127 is a wasteful number, since it uses less digits than its factorization.

42136127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830568.

The product of its digits is 2016, while the sum is 26.

The square root of 42136127 is about 6491.2346283276. The cubic root of 42136127 is about 347.9778000327.

The spelling of 42136127 in words is "forty-two million, one hundred thirty-six thousand, one hundred twenty-seven".