136136025 has 24 divisors (see below), whose sum is σ = 250088160. Its totient is φ = 72605520.

The previous prime is 136136009. The next prime is 136136029. The reversal of 136136025 is 520631631.

It is not a de Polignac number, because 136136025 - 2⁴ = 136136009 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 136136025.

It is not an unprimeable number, because it can be changed into a prime (136136029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100167 + ... + 101516.

It is an arithmetic number, because the mean of its divisors is an integer number (10420340).

Almost surely, 2^136136025 is an apocalyptic number.

136136025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136136025 is a deficient number, since it is larger than the sum of its proper divisors (113952135).

136136025 is a wasteful number, since it uses less digits than its factorization.

136136025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201702 (or 201691 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 136136025 is about 11667.7343559065. The cubic root of 136136025 is about 514.4277112863.

Adding to 136136025 its reverse (520631631), we get a palindrome (656767656).

It can be divided in two parts, 136 and 136025, that added together give a square (136161 = 369²).

The spelling of 136136025 in words is "one hundred thirty-six million, one hundred thirty-six thousand, twenty-five".