42136782 has 16 divisors (see below), whose sum is σ = 87937920. Its totient is φ = 13434872.

The previous prime is 42136763. The next prime is 42136789. The reversal of 42136782 is 28763124.

42136782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42136789) 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 7 ways as a sum of consecutive naturals, for example, 152532 + ... + 152807.

It is an arithmetic number, because the mean of its divisors is an integer number (5496120).

Almost surely, 2^42136782 is an apocalyptic number.

42136782 is an abundant number, since it is smaller than the sum of its proper divisors (45801138).

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

42136782 is a wasteful number, since it uses less digits than its factorization.

42136782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305367.

The product of its digits is 16128, while the sum is 33.

The square root of 42136782 is about 6491.2850807833. The cubic root of 42136782 is about 347.9796031116.

The spelling of 42136782 in words is "forty-two million, one hundred thirty-six thousand, seven hundred eighty-two".