136545165505 has 16 divisors (see below), whose sum is σ = 187291413504. Its totient is φ = 93616234560.

The previous prime is 136545165479. The next prime is 136545165511. The reversal of 136545165505 is 505561545631.

It is not a de Polignac number, because 136545165505 - 2⁵ = 136545165473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79057 + ... + 528526.

It is an arithmetic number, because the mean of its divisors is an integer number (11705713344).

Almost surely, 2^136545165505 is an apocalyptic number.

It is an amenable number.

136545165505 is a deficient number, since it is larger than the sum of its proper divisors (50746247999).

136545165505 is an equidigital number, since it uses as much as digits as its factorization.

136545165505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614016.

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 136545165505 in words is "one hundred thirty-six billion, five hundred forty-five million, one hundred sixty-five thousand, five hundred five".