136105263505 has 16 divisors (see below), whose sum is σ = 164030241024. Its totient is φ = 108415283200.

The previous prime is 136105263491. The next prime is 136105263509. The reversal of 136105263505 is 505362501631.

It is not a de Polignac number, because 136105263505 - 2¹⁹ = 136104739217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136105263509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246930 + ... + 3288580.

It is an arithmetic number, because the mean of its divisors is an integer number (10251890064).

Almost surely, 2^136105263505 is an apocalyptic number.

It is an amenable number.

136105263505 is a deficient number, since it is larger than the sum of its proper divisors (27924977519).

136105263505 is a wasteful number, since it uses less digits than its factorization.

136105263505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44456.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 136105263505 in words is "one hundred thirty-six billion, one hundred five million, two hundred sixty-three thousand, five hundred five".