136035720 has 64 divisors (see below), whose sum is σ = 453456000. Its totient is φ = 36275904.

The previous prime is 136035689. The next prime is 136035727. The reversal of 136035720 is 27530631.

It is a happy number.

136035720 is a `hidden beast` number, since 1 + 3 + 603 + 57 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (136035727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61900 + ... + 64059.

It is an arithmetic number, because the mean of its divisors is an integer number (7085250).

Almost surely, 2^136035720 is an apocalyptic number.

136035720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136035720 is an abundant number, since it is smaller than the sum of its proper divisors (317420280).

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

136035720 is a wasteful number, since it uses less digits than its factorization.

136035720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125979 (or 125969 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 136035720 is about 11663.4351715093. The cubic root of 136035720 is about 514.3013368270.

The spelling of 136035720 in words is "one hundred thirty-six million, thirty-five thousand, seven hundred twenty".