136530212023655 has 16 divisors (see below), whose sum is σ = 165911793091200. Its totient is φ = 107840504878080.

The previous prime is 136530212023633. The next prime is 136530212023693. The reversal of 136530212023655 is 556320212035631.

It is a happy number.

It is not a de Polignac number, because 136530212023655 - 2⁶ = 136530212023591 is a prime.

It is a congruent 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, 38958161 + ... + 42317829.

It is an arithmetic number, because the mean of its divisors is an integer number (10369487068200).

Almost surely, 2^{136530212023655} is an apocalyptic number.

136530212023655 is a deficient number, since it is larger than the sum of its proper divisors (29381581067545).

136530212023655 is a wasteful number, since it uses less digits than its factorization.

136530212023655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462634.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 136530212023655 in words is "one hundred thirty-six trillion, five hundred thirty billion, two hundred twelve million, twenty-three thousand, six hundred fifty-five".