4242521002134 has 16 divisors (see below), whose sum is σ = 8645137137072. Its totient is φ = 1387491145248.

The previous prime is 4242521002039. The next prime is 4242521002157. The reversal of 4242521002134 is 4312001252424.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670630189 + ... + 6670630824.

It is an arithmetic number, because the mean of its divisors is an integer number (540321071067).

Almost surely, 2^{4242521002134} is an apocalyptic number.

4242521002134 is an abundant number, since it is smaller than the sum of its proper divisors (4402616134938).

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

4242521002134 is a wasteful number, since it uses less digits than its factorization.

4242521002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341261071.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 4242521002134 its reverse (4312001252424), we get a palindrome (8554522254558).

The spelling of 4242521002134 in words is "four trillion, two hundred forty-two billion, five hundred twenty-one million, two thousand, one hundred thirty-four".