42002132 has 6 divisors (see below), whose sum is σ = 73503738. Its totient is φ = 21001064.

The previous prime is 42002119. The next prime is 42002143. The reversal of 42002132 is 23120024.

It can be written as a sum of positive squares in only one way, i.e., 34527376 + 7474756 = 5876^2 + 2734^2 .

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 as a sum of consecutive naturals, namely, 5250263 + ... + 5250270.

It is an arithmetic number, because the mean of its divisors is an integer number (12250623).

Almost surely, 2^42002132 is an apocalyptic number.

It is an amenable number.

42002132 is a deficient number, since it is larger than the sum of its proper divisors (31501606).

42002132 is a wasteful number, since it uses less digits than its factorization.

42002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500537 (or 10500535 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42002132 is about 6480.9051836915. The cubic root of 42002132 is about 347.6085460469.

Adding to 42002132 its reverse (23120024), we get a palindrome (65122156).

The spelling of 42002132 in words is "forty-two million, two thousand, one hundred thirty-two".