136564610005 has 8 divisors (see below), whose sum is σ = 163881933624. Its totient is φ = 109248753600.

The previous prime is 136564610003. The next prime is 136564610081. The reversal of 136564610005 is 500016465631.

It can be written as a sum of positive squares in 4 ways, for example, as 331276401 + 136233333604 = 18201^2 + 369098^2 .

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

It is not a de Polignac number, because 136564610005 - 2¹ = 136564610003 is a prime.

It is a super-2 number, since 2×136564610005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136564610003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150426 + ... + 543835.

It is an arithmetic number, because the mean of its divisors is an integer number (20485241703).

Almost surely, 2^136564610005 is an apocalyptic number.

It is an amenable number.

136564610005 is a deficient number, since it is larger than the sum of its proper divisors (27317323619).

136564610005 is an equidigital number, since it uses as much as digits as its factorization.

136564610005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733607.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 136564610005 in words is "one hundred thirty-six billion, five hundred sixty-four million, six hundred ten thousand, five".