136336860 has 144 divisors (see below), whose sum is σ = 463593312. Its totient is φ = 32140800.

The previous prime is 136336831. The next prime is 136336867. The reversal of 136336860 is 68633631.

136336860 is a `hidden beast` number, since 13 + 633 + 6 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136336867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72330 + ... + 74190.

It is an arithmetic number, because the mean of its divisors is an integer number (3219398).

Almost surely, 2^136336860 is an apocalyptic number.

136336860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136336860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231796656).

136336860 is an abundant number, since it is smaller than the sum of its proper divisors (327256452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136336860 is a wasteful number, since it uses less digits than its factorization.

136336860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 136336860 is about 11676.3376107408. The cubic root of 136336860 is about 514.6805572314.

The spelling of 136336860 in words is "one hundred thirty-six million, three hundred thirty-six thousand, eight hundred sixty".