136025161 has 6 divisors (see below), whose sum is σ = 143561562. Its totient is φ = 128865600.

The previous prime is 136025147. The next prime is 136025171. The reversal of 136025161 is 161520631.

It can be written as a sum of positive squares in only one way, i.e., 121440400 + 14584761 = 11020^2 + 3819^2 .

It is not a de Polignac number, because 136025161 - 2⁵ = 136025129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188040 + ... + 188761.

It is an arithmetic number, because the mean of its divisors is an integer number (23926927).

Almost surely, 2^136025161 is an apocalyptic number.

It is an amenable number.

136025161 is a deficient number, since it is larger than the sum of its proper divisors (7536401).

136025161 is an equidigital number, since it uses as much as digits as its factorization.

136025161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376839 (or 376820 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 136025161 is about 11662.9825087754. The cubic root of 136025161 is about 514.2880299095.

Adding to 136025161 its reverse (161520631), we get a palindrome (297545792).

The spelling of 136025161 in words is "one hundred thirty-six million, twenty-five thousand, one hundred sixty-one".