42142134097 has 12 divisors (see below), whose sum is σ = 50065516800. Its totient is φ = 35353277736.

The previous prime is 42142134079. The next prime is 42142134109. The reversal of 42142134097 is 79043124124.

It is not a de Polignac number, because 42142134097 - 2²⁷ = 42007916369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42142138097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9147097 + ... + 9151702.

It is an arithmetic number, because the mean of its divisors is an integer number (4172126400).

Almost surely, 2^42142134097 is an apocalyptic number.

42142134097 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42142134097 is a deficient number, since it is larger than the sum of its proper divisors (7923382703).

42142134097 is a wasteful number, since it uses less digits than its factorization.

42142134097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18298860 (or 18298853 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 42142134097 in words is "forty-two billion, one hundred forty-two million, one hundred thirty-four thousand, ninety-seven".