134885049289 has 9 divisors (see below), whose sum is σ = 135470425351. Its totient is φ = 134302196560.

The previous prime is 134885049287. The next prime is 134885049307. The reversal of 134885049289 is 982940588431.

The square root of 134885049289 is 367267.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 91153874889 + 43731174400 = 301917^2 + 209120^2 .

It is not a de Polignac number, because 134885049289 - 2¹ = 134885049287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134885049287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 103201374 + ... + 103202680.

Almost surely, 2^134885049289 is an apocalyptic number.

134885049289 is the 367267-th square number.

134885049289 is the 183634-th centered octagonal number.

It is an amenable number.

134885049289 is a deficient number, since it is larger than the sum of its proper divisors (585376062).

134885049289 is an frugal number, since it uses more digits than its factorization.

134885049289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 134885049289 in words is "one hundred thirty-four billion, eight hundred eighty-five million, forty-nine thousand, two hundred eighty-nine".