134579647 has 8 divisors (see below), whose sum is σ = 140548320. Its totient is φ = 128620800.

The previous prime is 134579639. The next prime is 134579657. The reversal of 134579647 is 746975431.

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 134579647 - 2³ = 134579639 is a prime.

It is a super-2 number, since 2×134579647² = 36223362773289218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134579597 and 134579606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134579657) 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, 46647 + ... + 49447.

It is an arithmetic number, because the mean of its divisors is an integer number (17568540).

Almost surely, 2^134579647 is an apocalyptic number.

134579647 is a deficient number, since it is larger than the sum of its proper divisors (5968673).

134579647 is a wasteful number, since it uses less digits than its factorization.

134579647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its digits is 635040, while the sum is 46.

The square root of 134579647 is about 11600.8468225384. The cubic root of 134579647 is about 512.4597907776.

It can be divided in two parts, 13457 and 9647, that added together give a square (23104 = 152²).

The spelling of 134579647 in words is "one hundred thirty-four million, five hundred seventy-nine thousand, six hundred forty-seven".