136061720 has 32 divisors (see below), whose sum is σ = 311163120. Its totient is φ = 53531520.

The previous prime is 136061713. The next prime is 136061741. The reversal of 136061720 is 27160631.

136061720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136061720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25442 + ... + 30321.

Almost surely, 2^136061720 is an apocalyptic number.

136061720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136061720 is an abundant number, since it is smaller than the sum of its proper divisors (175101400).

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

136061720 is a wasteful number, since it uses less digits than its factorization.

136061720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55835 (or 55831 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 136061720 is about 11664.5497126979. The cubic root of 136061720 is about 514.3341002388.

The spelling of 136061720 in words is "one hundred thirty-six million, sixty-one thousand, seven hundred twenty".