42132130 has 16 divisors (see below), whose sum is σ = 75934584. Its totient is φ = 16831360.

The previous prime is 42132127. The next prime is 42132149. The reversal of 42132130 is 3123124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37834801 + 4297329 = 6151^2 + 2073^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320 + ... + 11740.

Almost surely, 2^42132130 is an apocalyptic number.

42132130 is a deficient number, since it is larger than the sum of its proper divisors (33802454).

42132130 is a wasteful number, since it uses less digits than its factorization.

42132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 42132130 is about 6490.9267443101. The cubic root of 42132130 is about 347.9667967176.

Adding to 42132130 its reverse (3123124), we get a palindrome (45255254).

The spelling of 42132130 in words is "forty-two million, one hundred thirty-two thousand, one hundred thirty".