42136938 has 24 divisors (see below), whose sum is σ = 92585376. Its totient is φ = 13847400.

The previous prime is 42136937. The next prime is 42136951. The reversal of 42136938 is 83963124.

42136938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42136933) 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, 15208 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (3857724).

Almost surely, 2^42136938 is an apocalyptic number.

42136938 is an abundant number, since it is smaller than the sum of its proper divisors (50448438).

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

42136938 is a wasteful number, since it uses less digits than its factorization.

42136938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33050 (or 33047 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 42136938 is about 6491.2970968829. The cubic root of 42136938 is about 347.9800325444.

The spelling of 42136938 in words is "forty-two million, one hundred thirty-six thousand, nine hundred thirty-eight".