136166925 has 12 divisors (see below), whose sum is σ = 225129440. Its totient is φ = 72622320.

The previous prime is 136166917. The next prime is 136166929. The reversal of 136166925 is 529661631.

136166925 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 136166925 - 2³ = 136166917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136166929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907705 + ... + 907854.

Almost surely, 2^136166925 is an apocalyptic number.

136166925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136166925 is a deficient number, since it is larger than the sum of its proper divisors (88962515).

136166925 is a wasteful number, since it uses less digits than its factorization.

136166925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815572 (or 1815567 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 136166925 is about 11669.0584453074. The cubic root of 136166925 is about 514.4666297474.

It can be divided in two parts, 1361 and 66925, that added together give a palindrome (68286).

The spelling of 136166925 in words is "one hundred thirty-six million, one hundred sixty-six thousand, nine hundred twenty-five".