134578579 has 8 divisors (see below), whose sum is σ = 142596288. Its totient is φ = 126572160.

The previous prime is 134578573. The next prime is 134578597. The reversal of 134578579 is 975875431.

It is a happy number.

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 134578579 - 2⁵ = 134578547 is a prime.

It is a super-2 number, since 2×134578579² = 36222787851318482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134578573) 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, 45609 + ... + 48469.

It is an arithmetic number, because the mean of its divisors is an integer number (17824536).

Almost surely, 2^134578579 is an apocalyptic number.

134578579 is a deficient number, since it is larger than the sum of its proper divisors (8017709).

134578579 is a wasteful number, since it uses less digits than its factorization.

134578579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its digits is 1058400, while the sum is 49.

The square root of 134578579 is about 11600.8007913247. The cubic root of 134578579 is about 512.4584351776.

The spelling of 134578579 in words is "one hundred thirty-four million, five hundred seventy-eight thousand, five hundred seventy-nine".