242140413 has 8 divisors (see below), whose sum is σ = 323276800. Its totient is φ = 161215488.

The previous prime is 242140403. The next prime is 242140433. The reversal of 242140413 is 314041242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242140413 - 2⁹ = 242139901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242140413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50173 + ... + 54786.

It is an arithmetic number, because the mean of its divisors is an integer number (40409600).

Almost surely, 2^242140413 is an apocalyptic number.

It is an amenable number.

242140413 is a deficient number, since it is larger than the sum of its proper divisors (81136387).

242140413 is a wasteful number, since it uses less digits than its factorization.

242140413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105731.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 242140413 is about 15560.8615764038. The cubic root of 242140413 is about 623.2884697678.

Adding to 242140413 its reverse (314041242), we get a palindrome (556181655).

The spelling of 242140413 in words is "two hundred forty-two million, one hundred forty thousand, four hundred thirteen".