209500134304 has 48 divisors (see below), whose sum is σ = 448518514248. Its totient is φ = 95923740672.

The previous prime is 209500134301. The next prime is 209500134313. The reversal of 209500134304 is 403431005902.

It can be written as a sum of positive squares in 4 ways, for example, as 207801045904 + 1699088400 = 455852^2 + 41220^2 .

It is not an unprimeable number, because it can be changed into a prime (209500134301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5184069 + ... + 5224324.

Almost surely, 2^209500134304 is an apocalyptic number.

It is an amenable number.

209500134304 is an abundant number, since it is smaller than the sum of its proper divisors (239018379944).

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

209500134304 is a wasteful number, since it uses less digits than its factorization.

209500134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408457 (or 10408449 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 209500134304 in words is "two hundred nine billion, five hundred million, one hundred thirty-four thousand, three hundred four".