42161543134 has 32 divisors (see below), whose sum is σ = 67733424000. Its totient is φ = 19622831904.

The previous prime is 42161543131. The next prime is 42161543197. The reversal of 42161543134 is 43134516124.

42161543134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42161543134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42161543131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6280972 + ... + 6287680.

It is an arithmetic number, because the mean of its divisors is an integer number (2116669500).

Almost surely, 2^42161543134 is an apocalyptic number.

42161543134 is a deficient number, since it is larger than the sum of its proper divisors (25571880866).

42161543134 is a wasteful number, since it uses less digits than its factorization.

42161543134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592.

The product of its digits is 34560, while the sum is 34.

The spelling of 42161543134 in words is "forty-two billion, one hundred sixty-one million, five hundred forty-three thousand, one hundred thirty-four".