134870359009 has 9 divisors (see below), whose sum is σ = 135338749203. Its totient is φ = 134403588072.

The previous prime is 134870358979. The next prime is 134870359199. The reversal of 134870359009 is 900953078431.

The square root of 134870359009 is 367247.

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., 77644150609 + 57226208400 = 278647^2 + 239220^2 .

It is not a de Polignac number, because 134870359009 - 2⁵ = 134870358977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134870309009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162690007 + ... + 162690835.

Almost surely, 2^134870359009 is an apocalyptic number.

134870359009 is the 367247-th square number.

134870359009 is the 183624-th centered octagonal number.

It is an amenable number.

134870359009 is a deficient number, since it is larger than the sum of its proper divisors (468390194).

134870359009 is an frugal number, since it uses more digits than its factorization.

134870359009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

Multiplying 134870359009 by its sum of digits (49), we get a square (6608647591441 = 2570729²).

The spelling of 134870359009 in words is "one hundred thirty-four billion, eight hundred seventy million, three hundred fifty-nine thousand, nine".