260136225 has 48 divisors (see below), whose sum is σ = 480772800. Its totient is φ = 137900160.

The previous prime is 260136209. The next prime is 260136229. The reversal of 260136225 is 522631062.

260136225 is a `hidden beast` number, since 2 + 601 + 36 + 2 + 25 = 666.

It is not a de Polignac number, because 260136225 - 2⁴ = 260136209 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (260136229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119749 + ... + 121901.

It is an arithmetic number, because the mean of its divisors is an integer number (10016100).

Almost surely, 2^260136225 is an apocalyptic number.

260136225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260136225 is a deficient number, since it is larger than the sum of its proper divisors (220636575).

260136225 is a wasteful number, since it uses less digits than its factorization.

260136225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 260136225 is about 16128.7391013681. The cubic root of 260136225 is about 638.3618792250.

Adding to 260136225 its reverse (522631062), we get a palindrome (782767287).

The spelling of 260136225 in words is "two hundred sixty million, one hundred thirty-six thousand, two hundred twenty-five".