136564606634 has 4 divisors (see below), whose sum is σ = 204846909954. Its totient is φ = 68282303316.

The previous prime is 136564606627. The next prime is 136564606649. The reversal of 136564606634 is 436606465631.

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

It can be written as a sum of positive squares in only one way, i.e., 79155009025 + 57409597609 = 281345^2 + 239603^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34141151657 + ... + 34141151660.

Almost surely, 2^136564606634 is an apocalyptic number.

136564606634 is a deficient number, since it is larger than the sum of its proper divisors (68282303320).

136564606634 is an equidigital number, since it uses as much as digits as its factorization.

136564606634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68282303319.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 136564606634 in words is "one hundred thirty-six billion, five hundred sixty-four million, six hundred six thousand, six hundred thirty-four".