136307500 has 60 divisors (see below), whose sum is σ = 340703440. Its totient is φ = 46728000.

The previous prime is 136307491. The next prime is 136307503. The reversal of 136307500 is 5703631.

It is a happy number.

136307500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (136307503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13606 + ... + 21394.

Almost surely, 2^136307500 is an apocalyptic number.

136307500 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 136307500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170351720).

136307500 is an abundant number, since it is smaller than the sum of its proper divisors (204395940).

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

136307500 is an equidigital number, since it uses as much as digits as its factorization.

136307500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7803 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 136307500 is about 11675.0802995097. The cubic root of 136307500 is about 514.6436092727.

The spelling of 136307500 in words is "one hundred thirty-six million, three hundred seven thousand, five hundred".