134573689 has 8 divisors (see below), whose sum is σ = 136533320. Its totient is φ = 132627456.

The previous prime is 134573687. The next prime is 134573701. The reversal of 134573689 is 986375431.

It can be written as a sum of positive squares in 4 ways, for example, as 13689 + 134560000 = 117^2 + 11600^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 134573689 - 2¹ = 134573687 is a prime.

It is a super-2 number, since 2×134573689² = 36220155542137442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134573687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17839 + ... + 24235.

It is an arithmetic number, because the mean of its divisors is an integer number (17066665).

Almost surely, 2^134573689 is an apocalyptic number.

It is an amenable number.

134573689 is a deficient number, since it is larger than the sum of its proper divisors (1959631).

134573689 is a wasteful number, since it uses less digits than its factorization.

134573689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699.

The product of its digits is 544320, while the sum is 46.

The square root of 134573689 is about 11600.5900280977. The cubic root of 134573689 is about 512.4522282658.

The spelling of 134573689 in words is "one hundred thirty-four million, five hundred seventy-three thousand, six hundred eighty-nine".