42386136 has 64 divisors (see below), whose sum is σ = 115741920. Its totient is φ = 12856320.

The previous prime is 42386129. The next prime is 42386159. The reversal of 42386136 is 63168324.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42386097 and 42386106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21846 + ... + 23706.

Almost surely, 2^42386136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42386136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57870960).

42386136 is an abundant number, since it is smaller than the sum of its proper divisors (73355784).

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

42386136 is a wasteful number, since it uses less digits than its factorization.

42386136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1952 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 42386136 is about 6510.4635779643. The cubic root of 42386136 is about 348.6646697108.

The spelling of 42386136 in words is "forty-two million, three hundred eighty-six thousand, one hundred thirty-six".