42130536 has 32 divisors (see below), whose sum is σ = 120373440. Its totient is φ = 12037248.

The previous prime is 42130513. The next prime is 42130537. The reversal of 42130536 is 63503124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42130537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 125221 + ... + 125556.

It is an arithmetic number, because the mean of its divisors is an integer number (3761670).

Almost surely, 2^42130536 is an apocalyptic number.

It is an amenable number.

42130536 is an abundant number, since it is smaller than the sum of its proper divisors (78242904).

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

42130536 is a wasteful number, since it uses less digits than its factorization.

42130536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250793 (or 250789 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 42130536 is about 6490.8039563678. The cubic root of 42130536 is about 347.9624084114.

The spelling of 42130536 in words is "forty-two million, one hundred thirty thousand, five hundred thirty-six".