136310425 has 6 divisors (see below), whose sum is σ = 169024958. Its totient is φ = 109048320.

The previous prime is 136310401. The next prime is 136310429. The reversal of 136310425 is 524013631.

It can be written as a sum of positive squares in 3 ways, for example, as 16801801 + 119508624 = 4099^2 + 10932^2 .

It is not a de Polignac number, because 136310425 - 2⁵ = 136310393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5452417 = 136310425 / (1 + 3 + 6 + 3 + 1 + 0 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136310425.

It is not an unprimeable number, because it can be changed into a prime (136310429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2726184 + ... + 2726233.

Almost surely, 2^136310425 is an apocalyptic number.

It is an amenable number.

136310425 is a deficient number, since it is larger than the sum of its proper divisors (32714533).

136310425 is an equidigital number, since it uses as much as digits as its factorization.

136310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452427 (or 5452422 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136310425 is about 11675.2055656421. The cubic root of 136310425 is about 514.6472904637.

The spelling of 136310425 in words is "one hundred thirty-six million, three hundred ten thousand, four hundred twenty-five".