136664465 has 8 divisors (see below), whose sum is σ = 187425600. Its totient is φ = 93712752.

The previous prime is 136664453. The next prime is 136664491. The reversal of 136664465 is 564466631.

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

It is not a de Polignac number, because 136664465 - 2⁶ = 136664401 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1952315 + ... + 1952384.

It is an arithmetic number, because the mean of its divisors is an integer number (23428200).

Almost surely, 2^136664465 is an apocalyptic number.

It is an amenable number.

136664465 is a deficient number, since it is larger than the sum of its proper divisors (50761135).

136664465 is an equidigital number, since it uses as much as digits as its factorization.

136664465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904711.

The product of its digits is 311040, while the sum is 41.

The square root of 136664465 is about 11690.3577789561. The cubic root of 136664465 is about 515.0924709060.

The spelling of 136664465 in words is "one hundred thirty-six million, six hundred sixty-four thousand, four hundred sixty-five".