42136 has 16 divisors (see below), whose sum is σ = 82800.
Its totient is φ = 20064.
The previous prime is 42131. The next prime is 42139. The reversal of 42136 is 63124.
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42131) by changing a digit.
42136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 298.
It is an arithmetic number, because the mean of its divisors is an integer number (5175).
242136 is an apocalyptic number.
42136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.
It is an amenable number.
42136 is a deficient number, since it is larger than the sum of its proper divisors (40664).
42136 is a wasteful number, since it uses less digits than its factorization.
42136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258 (or 254 counting only the distinct ones).
The product of its digits is 144, while the sum is 16.
The square root of 42136 is about 205.2705531731.
The cubic root of 42136 is about 34.7977450426.
The spelling of 42136 in words is "forty-two thousand, one hundred thirty-six".