42028134 has 24 divisors (see below), whose sum is σ = 87065160. Its totient is φ = 13524672.

The previous prime is 42028123. The next prime is 42028169. The reversal of 42028134 is 43182024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882 + ... + 9210.

It is an arithmetic number, because the mean of its divisors is an integer number (3627715).

Almost surely, 2^42028134 is an apocalyptic number.

42028134 is an abundant number, since it is smaller than the sum of its proper divisors (45037026).

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

42028134 is a wasteful number, since it uses less digits than its factorization.

42028134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392 (or 8363 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42028134 is about 6482.9109202580. The cubic root of 42028134 is about 347.6802618741.

The spelling of 42028134 in words is "forty-two million, twenty-eight thousand, one hundred thirty-four".