242907300133 has 4 divisors (see below), whose sum is σ = 242908554220. Its totient is φ = 242906046048.

The previous prime is 242907300127. The next prime is 242907300143. The reversal of 242907300133 is 331003709242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43757527489 + 199149772644 = 209183^2 + 446262^2 .

It is a cyclic number.

It is not a de Polignac number, because 242907300133 - 2¹³ = 242907291941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242907300143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267960 + ... + 746737.

It is an arithmetic number, because the mean of its divisors is an integer number (60727138555).

Almost surely, 2^242907300133 is an apocalyptic number.

It is an amenable number.

242907300133 is a deficient number, since it is larger than the sum of its proper divisors (1254087).

242907300133 is a wasteful number, since it uses less digits than its factorization.

242907300133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254086.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 242907300133 in words is "two hundred forty-two billion, nine hundred seven million, three hundred thousand, one hundred thirty-three".