243502435134 has 24 divisors (see below), whose sum is σ = 602958411120. Its totient is φ = 69572124288.

The previous prime is 243502435123. The next prime is 243502435207. The reversal of 243502435134 is 431534205342.

243502435134 is a `hidden beast` number, since 2 + 43 + 50 + 2 + 435 + 134 = 666.

243502435134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 966279379 + ... + 966279630.

It is an arithmetic number, because the mean of its divisors is an integer number (25123267130).

Almost surely, 2^243502435134 is an apocalyptic number.

243502435134 is an abundant number, since it is smaller than the sum of its proper divisors (359455975986).

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

243502435134 is a wasteful number, since it uses less digits than its factorization.

243502435134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932559024 (or 1932559021 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 243502435134 in words is "two hundred forty-three billion, five hundred two million, four hundred thirty-five thousand, one hundred thirty-four".