42306136 has 8 divisors (see below), whose sum is σ = 79324020. Its totient is φ = 21153064.

The previous prime is 42306119. The next prime is 42306139. The reversal of 42306136 is 63160324.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42306136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42306139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2644126 + ... + 2644141.

Almost surely, 2^42306136 is an apocalyptic number.

It is an amenable number.

42306136 is a deficient number, since it is larger than the sum of its proper divisors (37017884).

42306136 is a wasteful number, since it uses less digits than its factorization.

42306136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288273 (or 5288269 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 42306136 is about 6504.3167204557. The cubic root of 42306136 is about 348.4451738783.

The spelling of 42306136 in words is "forty-two million, three hundred six thousand, one hundred thirty-six".