42134811 has 4 divisors (see below), whose sum is σ = 56179752. Its totient is φ = 28089872.

The previous prime is 42134803. The next prime is 42134819. The reversal of 42134811 is 11843124.

42134811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (42134803) and next prime (42134819).

It is a cyclic number.

It is not a de Polignac number, because 42134811 - 2³ = 42134803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42134819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022466 + ... + 7022471.

It is an arithmetic number, because the mean of its divisors is an integer number (14044938).

Almost surely, 2^42134811 is an apocalyptic number.

42134811 is a deficient number, since it is larger than the sum of its proper divisors (14044941).

42134811 is a wasteful number, since it uses less digits than its factorization.

42134811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044940.

The product of its digits is 768, while the sum is 24.

The square root of 42134811 is about 6491.1332600710. The cubic root of 42134811 is about 347.9741773018.

Adding to 42134811 its reverse (11843124), we get a palindrome (53977935).

The spelling of 42134811 in words is "forty-two million, one hundred thirty-four thousand, eight hundred eleven".