136385579 has 8 divisors (see below), whose sum is σ = 153915120. Its totient is φ = 119711200.

The previous prime is 136385567. The next prime is 136385593. The reversal of 136385579 is 975583631.

136385579 = T₁₇₂₇ + T₁₇₂₈ + ... + T₁₈₁₃.

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 136385579 - 2²⁰ = 135337003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136385519) 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, 213452 + ... + 214089.

It is an arithmetic number, because the mean of its divisors is an integer number (19239390).

Almost surely, 2^136385579 is an apocalyptic number.

136385579 is a deficient number, since it is larger than the sum of its proper divisors (17529541).

136385579 is a wasteful number, since it uses less digits than its factorization.

136385579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427581.

The product of its digits is 680400, while the sum is 47.

The square root of 136385579 is about 11678.4236521887. The cubic root of 136385579 is about 514.7418557335.

The spelling of 136385579 in words is "one hundred thirty-six million, three hundred eighty-five thousand, five hundred seventy-nine".