42134074 has 4 divisors (see below), whose sum is σ = 63201114. Its totient is φ = 21067036.

The previous prime is 42134051. The next prime is 42134087. The reversal of 42134074 is 47043124.

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

It can be written as a sum of positive squares in only one way, i.e., 29778849 + 12355225 = 5457^2 + 3515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10533517 + ... + 10533520.

Almost surely, 2^42134074 is an apocalyptic number.

42134074 is a deficient number, since it is larger than the sum of its proper divisors (21067040).

42134074 is a wasteful number, since it uses less digits than its factorization.

42134074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21067039.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42134074 is about 6491.0764900747. The cubic root of 42134074 is about 347.9721484294.

Adding to 42134074 its reverse (47043124), we get a palindrome (89177198).

The spelling of 42134074 in words is "forty-two million, one hundred thirty-four thousand, seventy-four".