136684895 has 8 divisors (see below), whose sum is σ = 164090256. Its totient is φ = 109302336.

The previous prime is 136684861. The next prime is 136684897. The reversal of 136684895 is 598486631.

136684895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136684895 - 2¹⁸ = 136422751 is a prime.

It is a super-2 number, since 2×136684895² = 37365521042322050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136684897) 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, 13184 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (20511282).

Almost surely, 2^136684895 is an apocalyptic number.

136684895 is a deficient number, since it is larger than the sum of its proper divisors (27405361).

136684895 is an equidigital number, since it uses as much as digits as its factorization.

136684895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its digits is 1244160, while the sum is 50.

The square root of 136684895 is about 11691.2315433405. The cubic root of 136684895 is about 515.1181367215.

The spelling of 136684895 in words is "one hundred thirty-six million, six hundred eighty-four thousand, eight hundred ninety-five".