136436548879 has 8 divisors (see below), whose sum is σ = 136880836848. Its totient is φ = 135992898240.

The previous prime is 136436548837. The next prime is 136436548889. The reversal of 136436548879 is 978845634631.

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 136436548879 - 2⁷ = 136436548751 is a prime.

It is a super-2 number, since 2×136436548879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136436548879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136436548889) 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, 271404 + ... + 588670.

It is an arithmetic number, because the mean of its divisors is an integer number (17110104606).

Almost surely, 2^136436548879 is an apocalyptic number.

136436548879 is a deficient number, since it is larger than the sum of its proper divisors (444287969).

136436548879 is an equidigital number, since it uses as much as digits as its factorization.

136436548879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318665.

The product of its digits is 104509440, while the sum is 64.

The spelling of 136436548879 in words is "one hundred thirty-six billion, four hundred thirty-six million, five hundred forty-eight thousand, eight hundred seventy-nine".