136544025 has 24 divisors (see below), whose sum is σ = 226091680. Its totient is φ = 72714240.

The previous prime is 136544011. The next prime is 136544027. The reversal of 136544025 is 520445631.

136544025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136544025 - 2⁵ = 136543993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136543983 and 136544001.

It is not an unprimeable number, because it can be changed into a prime (136544027) 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, 85686 + ... + 87264.

Almost surely, 2^136544025 is an apocalyptic number.

136544025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136544025 is a deficient number, since it is larger than the sum of its proper divisors (89547655).

136544025 is a wasteful number, since it uses less digits than its factorization.

136544025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 136544025 is about 11685.2053897225. The cubic root of 136544025 is about 514.9411124423.

Adding to 136544025 its reverse (520445631), we get a palindrome (656989656).

The spelling of 136544025 in words is "one hundred thirty-six million, five hundred forty-four thousand, twenty-five".