136201465 has 4 divisors (see below), whose sum is σ = 163441764. Its totient is φ = 108961168.

The previous prime is 136201459. The next prime is 136201529. The reversal of 136201465 is 564102631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106564329 + 29637136 = 10323^2 + 5444^2 .

It is a cyclic number.

It is not a de Polignac number, because 136201465 - 2⁷ = 136201337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13620142 + ... + 13620151.

It is an arithmetic number, because the mean of its divisors is an integer number (40860441).

Almost surely, 2^136201465 is an apocalyptic number.

It is an amenable number.

136201465 is a deficient number, since it is larger than the sum of its proper divisors (27240299).

136201465 is an equidigital number, since it uses as much as digits as its factorization.

136201465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27240298.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 136201465 is about 11670.5383337702. The cubic root of 136201465 is about 514.5101258096.

It can be divided in two parts, 136 and 201465, that added together give a square (201601 = 449²).

The spelling of 136201465 in words is "one hundred thirty-six million, two hundred one thousand, four hundred sixty-five".