242130132 has 36 divisors (see below), whose sum is σ = 614286036. Its totient is φ = 80415360.

The previous prime is 242130121. The next prime is 242130137. The reversal of 242130132 is 231031242.

It can be written as a sum of positive squares in 2 ways, for example, as 147768336 + 94361796 = 12156^2 + 9714^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242130137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169 + ... + 22112.

It is an arithmetic number, because the mean of its divisors is an integer number (17063501).

Almost surely, 2^242130132 is an apocalyptic number.

It is an amenable number.

242130132 is an abundant number, since it is smaller than the sum of its proper divisors (372155904).

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

242130132 is a wasteful number, since it uses less digits than its factorization.

242130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24568 (or 24563 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242130132 is about 15560.5312248650. The cubic root of 242130132 is about 623.2796482754.

Adding to 242130132 its reverse (231031242), we get a palindrome (473161374).

The spelling of 242130132 in words is "two hundred forty-two million, one hundred thirty thousand, one hundred thirty-two".