42136474 has 8 divisors (see below), whose sum is σ = 64674720. Its totient is φ = 20578236.

The previous prime is 42136447. The next prime is 42136513. The reversal of 42136474 is 47463124.

42136474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244894 + ... + 245065.

It is an arithmetic number, because the mean of its divisors is an integer number (8084340).

Almost surely, 2^42136474 is an apocalyptic number.

42136474 is a deficient number, since it is larger than the sum of its proper divisors (22538246).

42136474 is a wasteful number, since it uses less digits than its factorization.

42136474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490004.

The product of its digits is 16128, while the sum is 31.

The square root of 42136474 is about 6491.2613566240. The cubic root of 42136474 is about 347.9787552539.

Adding to 42136474 its reverse (47463124), we get a palindrome (89599598).

The spelling of 42136474 in words is "forty-two million, one hundred thirty-six thousand, four hundred seventy-four".