242132140 has 24 divisors (see below), whose sum is σ = 520304400. Its totient is φ = 94600128.

The previous prime is 242132129. The next prime is 242132153. The reversal of 242132140 is 41231242.

It is a super-3 number, since 3×242132140³ (a number of 26 digits) contains 333 as substring.

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, 139915 + ... + 141634.

It is an arithmetic number, because the mean of its divisors is an integer number (21679350).

Almost surely, 2^242132140 is an apocalyptic number.

242132140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242132140 is an abundant number, since it is smaller than the sum of its proper divisors (278172260).

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

242132140 is a wasteful number, since it uses less digits than its factorization.

242132140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281601 (or 281599 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242132140 is about 15560.5957469501. The cubic root of 242132140 is about 623.2813712360.

Adding to 242132140 its reverse (41231242), we get a palindrome (283363382).

The spelling of 242132140 in words is "two hundred forty-two million, one hundred thirty-two thousand, one hundred forty".