42643134 has 12 divisors (see below), whose sum is σ = 92393496. Its totient is φ = 14214372.

The previous prime is 42643099. The next prime is 42643141. The reversal of 42643134 is 43134624.

42643134 is a `hidden beast` number, since 4 + 2 + 643 + 13 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42643098 and 42643107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1184514 + ... + 1184549.

It is an arithmetic number, because the mean of its divisors is an integer number (7699458).

Almost surely, 2^42643134 is an apocalyptic number.

42643134 is an abundant number, since it is smaller than the sum of its proper divisors (49750362).

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

42643134 is a wasteful number, since it uses less digits than its factorization.

42643134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369071 (or 2369068 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 42643134 is about 6530.1710544212. The cubic root of 42643134 is about 349.3679313366.

Adding to 42643134 its reverse (43134624), we get a palindrome (85777758).

The spelling of 42643134 in words is "forty-two million, six hundred forty-three thousand, one hundred thirty-four".