136155265505 has 16 divisors (see below), whose sum is σ = 197711176320. Its totient is φ = 87871633152.

The previous prime is 136155265501. The next prime is 136155265529. The reversal of 136155265505 is 505562551631.

It is a cyclic number.

It is not a de Polignac number, because 136155265505 - 2² = 136155265501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136155265501) 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, 114415595 + ... + 114416784.

It is an arithmetic number, because the mean of its divisors is an integer number (12356948520).

Almost surely, 2^136155265505 is an apocalyptic number.

It is an amenable number.

136155265505 is a deficient number, since it is larger than the sum of its proper divisors (61555910815).

136155265505 is a wasteful number, since it uses less digits than its factorization.

136155265505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228832408.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 136155265505 in words is "one hundred thirty-six billion, one hundred fifty-five million, two hundred sixty-five thousand, five hundred five".