136604551641 has 8 divisors (see below), whose sum is σ = 182244509760. Its totient is φ = 91017147312.

The previous prime is 136604551639. The next prime is 136604551661. The reversal of 136604551641 is 146155406631.

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

It is not a de Polignac number, because 136604551641 - 2¹ = 136604551639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136604551593 and 136604551602.

It is not an unprimeable number, because it can be changed into a prime (136604551631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13132381 + ... + 13142778.

It is an arithmetic number, because the mean of its divisors is an integer number (22780563720).

Almost surely, 2^136604551641 is an apocalyptic number.

It is an amenable number.

136604551641 is a deficient number, since it is larger than the sum of its proper divisors (45639958119).

136604551641 is a wasteful number, since it uses less digits than its factorization.

136604551641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26276895.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 136604551641 in words is "one hundred thirty-six billion, six hundred four million, five hundred fifty-one thousand, six hundred forty-one".