42134404 has 36 divisors (see below), whose sum is σ = 80554404. Its totient is φ = 19274112.

The previous prime is 42134401. The next prime is 42134431. The reversal of 42134404 is 40443124.

It can be written as a sum of positive squares in 6 ways, for example, as 6708100 + 35426304 = 2590^2 + 5952^2 .

It is not an unprimeable number, because it can be changed into a prime (42134401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105934 + ... + 106330.

Almost surely, 2^42134404 is an apocalyptic number.

It is an amenable number.

42134404 is a deficient number, since it is larger than the sum of its proper divisors (38420000).

42134404 is a wasteful number, since it uses less digits than its factorization.

42134404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42134404 is about 6491.1019095374. The cubic root of 42134404 is about 347.9730568826.

Adding to 42134404 its reverse (40443124), we get a palindrome (82577528).

The spelling of 42134404 in words is "forty-two million, one hundred thirty-four thousand, four hundred four".