242137065 has 16 divisors (see below), whose sum is σ = 397891008. Its totient is φ = 125649216.

The previous prime is 242137061. The next prime is 242137073. The reversal of 242137065 is 560731242.

It is not a de Polignac number, because 242137065 - 2² = 242137061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242137061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217587 + ... + 218696.

It is an arithmetic number, because the mean of its divisors is an integer number (24868188).

Almost surely, 2^242137065 is an apocalyptic number.

It is an amenable number.

242137065 is a deficient number, since it is larger than the sum of its proper divisors (155753943).

242137065 is a wasteful number, since it uses less digits than its factorization.

242137065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436328.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 242137065 is about 15560.7539984411. The cubic root of 242137065 is about 623.2855970828.

The spelling of 242137065 in words is "two hundred forty-two million, one hundred thirty-seven thousand, sixty-five".