42136068 has 48 divisors (see below), whose sum is σ = 109308416. Its totient is φ = 12545280.

The previous prime is 42136051. The next prime is 42136079. The reversal of 42136068 is 86063124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480 + ... + 9192.

Almost surely, 2^42136068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42136068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54654208).

42136068 is an abundant number, since it is smaller than the sum of its proper divisors (67172348).

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

42136068 is a wasteful number, since it uses less digits than its factorization.

42136068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8764 (or 8762 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42136068 is about 6491.2300837361. The cubic root of 42136068 is about 347.9776376171.

The spelling of 42136068 in words is "forty-two million, one hundred thirty-six thousand, sixty-eight".