134689134579 has 8 divisors (see below), whose sum is σ = 179587726032. Its totient is φ = 89791649760.

The previous prime is 134689134571. The next prime is 134689134611. The reversal of 134689134579 is 975431986431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134689134579 - 2³ = 134689134571 is a prime.

It is a super-3 number, since 3×134689134579³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (134689134571) 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, 69049 + ... + 523589.

It is an arithmetic number, because the mean of its divisors is an integer number (22448465754).

Almost surely, 2^134689134579 is an apocalyptic number.

134689134579 is a deficient number, since it is larger than the sum of its proper divisors (44898591453).

134689134579 is an equidigital number, since it uses as much as digits as its factorization.

134689134579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553317.

The product of its digits is 19595520, while the sum is 60.

The spelling of 134689134579 in words is "one hundred thirty-four billion, six hundred eighty-nine million, one hundred thirty-four thousand, five hundred seventy-nine".