42136854 has 16 divisors (see below), whose sum is σ = 84466800. Its totient is φ = 14013440.

The previous prime is 42136847. The next prime is 42136873. The reversal of 42136854 is 45863124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (5279175).

Almost surely, 2^42136854 is an apocalyptic number.

42136854 is an abundant number, since it is smaller than the sum of its proper divisors (42329946).

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

42136854 is a wasteful number, since it uses less digits than its factorization.

42136854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095.

The product of its digits is 23040, while the sum is 33.

The square root of 42136854 is about 6491.2906266782. The cubic root of 42136854 is about 347.9798013115.

Adding to 42136854 its reverse (45863124), we get a palindrome (87999978).

The spelling of 42136854 in words is "forty-two million, one hundred thirty-six thousand, eight hundred fifty-four".