134649579 has 8 divisors (see below), whose sum is σ = 179891712. Its totient is φ = 89586920.

The previous prime is 134649551. The next prime is 134649589. The reversal of 134649579 is 975946431.

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 134649579 - 2⁵ = 134649547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134649539) 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, 43107 + ... + 46124.

It is an arithmetic number, because the mean of its divisors is an integer number (22486464).

Almost surely, 2^134649579 is an apocalyptic number.

134649579 is a deficient number, since it is larger than the sum of its proper divisors (45242133).

134649579 is an equidigital number, since it uses as much as digits as its factorization.

134649579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89737.

The product of its digits is 816480, while the sum is 48.

The square root of 134649579 is about 11603.8605213955. The cubic root of 134649579 is about 512.5485390474.

The spelling of 134649579 in words is "one hundred thirty-four million, six hundred forty-nine thousand, five hundred seventy-nine".