42070134 has 16 divisors (see below), whose sum is σ = 84272688. Its totient is φ = 14001312.

The previous prime is 42070117. The next prime is 42070159. The reversal of 42070134 is 43107024.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42070134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (5267043).

Almost surely, 2^42070134 is an apocalyptic number.

42070134 is an abundant number, since it is smaller than the sum of its proper divisors (42202554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42070134 is a wasteful number, since it uses less digits than its factorization.

42070134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42070134 is about 6486.1493969843. The cubic root of 42070134 is about 347.7960391566.

Adding to 42070134 its reverse (43107024), we get a palindrome (85177158).

The spelling of 42070134 in words is "forty-two million, seventy thousand, one hundred thirty-four".