136036859 has 4 divisors (see below), whose sum is σ = 155470704. Its totient is φ = 116603016.

The previous prime is 136036837. The next prime is 136036871. The reversal of 136036859 is 958630631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136036859 - 2⁸ = 136036603 is a prime.

It is a super-3 number, since 3×136036859³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136036829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716912 + ... + 9716925.

It is an arithmetic number, because the mean of its divisors is an integer number (38867676).

Almost surely, 2^136036859 is an apocalyptic number.

136036859 is a deficient number, since it is larger than the sum of its proper divisors (19433845).

136036859 is an equidigital number, since it uses as much as digits as its factorization.

136036859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433844.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 136036859 is about 11663.4839992174. The cubic root of 136036859 is about 514.3027722039.

The spelling of 136036859 in words is "one hundred thirty-six million, thirty-six thousand, eight hundred fifty-nine".