136564641451 has 24 divisors (see below), whose sum is σ = 168255028656. Its totient is φ = 110137466880.

The previous prime is 136564641439. The next prime is 136564641469. The reversal of 136564641451 is 154146465631.

It is not a de Polignac number, because 136564641451 - 2²⁵ = 136531087019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136564641481) 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 23 ways as a sum of consecutive naturals, for example, 3052395 + ... + 3096811.

It is an arithmetic number, because the mean of its divisors is an integer number (7010626194).

Almost surely, 2^136564641451 is an apocalyptic number.

136564641451 is a deficient number, since it is larger than the sum of its proper divisors (31690387205).

136564641451 is a wasteful number, since it uses less digits than its factorization.

136564641451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48139 (or 48132 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 136564641451 in words is "one hundred thirty-six billion, five hundred sixty-four million, six hundred forty-one thousand, four hundred fifty-one".