243147265134 has 16 divisors (see below), whose sum is σ = 514900091088. Its totient is φ = 76281494912.

The previous prime is 243147265103. The next prime is 243147265147. The reversal of 243147265134 is 431562741342.

It is a congruent number.

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, 1191898257 + ... + 1191898460.

It is an arithmetic number, because the mean of its divisors is an integer number (32181255693).

Almost surely, 2^243147265134 is an apocalyptic number.

243147265134 is an abundant number, since it is smaller than the sum of its proper divisors (271752825954).

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

243147265134 is a wasteful number, since it uses less digits than its factorization.

243147265134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383796739.

The product of its digits is 483840, while the sum is 42.

The spelling of 243147265134 in words is "two hundred forty-three billion, one hundred forty-seven million, two hundred sixty-five thousand, one hundred thirty-four".