136464225161 has 8 divisors (see below), whose sum is σ = 148874096448. Its totient is φ = 124055026000.

The previous prime is 136464225151. The next prime is 136464225199. The reversal of 136464225161 is 161522464631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136464225161 is a prime.

It is a super-3 number, since 3×136464225161³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136464225101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317516 + ... + 611346.

It is an arithmetic number, because the mean of its divisors is an integer number (18609262056).

Almost surely, 2^136464225161 is an apocalyptic number.

136464225161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136464225161 is a deficient number, since it is larger than the sum of its proper divisors (12409871287).

136464225161 is a wasteful number, since it uses less digits than its factorization.

136464225161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336063.

The product of its digits is 207360, while the sum is 41.

Adding to 136464225161 its reverse (161522464631), we get a palindrome (297986689792).

The spelling of 136464225161 in words is "one hundred thirty-six billion, four hundred sixty-four million, two hundred twenty-five thousand, one hundred sixty-one".