136200725 has 12 divisors (see below), whose sum is σ = 172077156. Its totient is φ = 106903680.

The previous prime is 136200697. The next prime is 136200761. The reversal of 136200725 is 527002631.

It can be written as a sum of positive squares in 6 ways, for example, as 6195121 + 130005604 = 2489^2 + 11402^2 .

It is not a de Polignac number, because 136200725 - 2⁸ = 136200469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136200694 and 136200703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50072 + ... + 52721.

It is an arithmetic number, because the mean of its divisors is an integer number (14339763).

Almost surely, 2^136200725 is an apocalyptic number.

It is an amenable number.

136200725 is a deficient number, since it is larger than the sum of its proper divisors (35876431).

136200725 is a wasteful number, since it uses less digits than its factorization.

136200725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102856 (or 102851 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 136200725 is about 11670.5066299626. The cubic root of 136200725 is about 514.5091940081.

The spelling of 136200725 in words is "one hundred thirty-six million, two hundred thousand, seven hundred twenty-five".