243035505646136 has 32 divisors (see below), whose sum is σ = 520790885539680. Its totient is φ = 104157970588800.

The previous prime is 243035505646111. The next prime is 243035505646207. The reversal of 243035505646136 is 631646505530342.

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, 89077106 + ... + 91764926.

It is an arithmetic number, because the mean of its divisors is an integer number (16274715173115).

Almost surely, 2^{243035505646136} is an apocalyptic number.

It is an amenable number.

243035505646136 is an abundant number, since it is smaller than the sum of its proper divisors (277755379893544).

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

243035505646136 is a wasteful number, since it uses less digits than its factorization.

243035505646136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302495 (or 4302491 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 53.

The spelling of 243035505646136 in words is "two hundred forty-three trillion, thirty-five billion, five hundred five million, six hundred forty-six thousand, one hundred thirty-six".