42869136 has 20 divisors (see below), whose sum is σ = 110745392. Its totient is φ = 14289696.

The previous prime is 42869117. The next prime is 42869143. The reversal of 42869136 is 63196824.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42869094 and 42869103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446506 + ... + 446601.

Almost surely, 2^42869136 is an apocalyptic number.

It is an amenable number.

42869136 is an abundant number, since it is smaller than the sum of its proper divisors (67876256).

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

42869136 is a wasteful number, since it uses less digits than its factorization.

42869136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893118 (or 893112 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 42869136 is about 6547.4526344220. The cubic root of 42869136 is about 349.9840428099.

The spelling of 42869136 in words is "forty-two million, eight hundred sixty-nine thousand, one hundred thirty-six".