42565474136 has 16 divisors (see below), whose sum is σ = 81756856440. Its totient is φ = 20763645760.

The previous prime is 42565474117. The next prime is 42565474139. The reversal of 42565474136 is 63147456524.

42565474136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42565474139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64886066 + ... + 64886721.

Almost surely, 2^42565474136 is an apocalyptic number.

It is an amenable number.

42565474136 is a deficient number, since it is larger than the sum of its proper divisors (39191382304).

42565474136 is a wasteful number, since it uses less digits than its factorization.

42565474136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129772834 (or 129772830 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 42565474136 in words is "forty-two billion, five hundred sixty-five million, four hundred seventy-four thousand, one hundred thirty-six".