42137208 has 48 divisors (see below), whose sum is σ = 114430680. Its totient is φ = 14007744.

The previous prime is 42137201. The next prime is 42137267. The reversal of 42137208 is 80273124.

42137208 is a `hidden beast` number, since 421 + 37 + 208 = 666.

42137208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42137201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41766 + ... + 42762.

Almost surely, 2^42137208 is an apocalyptic number.

It is an amenable number.

42137208 is an abundant number, since it is smaller than the sum of its proper divisors (72293472).

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

42137208 is a wasteful number, since it uses less digits than its factorization.

42137208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42137208 is about 6491.3178939257. The cubic root of 42137208 is about 347.9807757910.

The spelling of 42137208 in words is "forty-two million, one hundred thirty-seven thousand, two hundred eight".