136621124205 has 16 divisors (see below), whose sum is σ = 218602831104. Its totient is φ = 72861588800.

The previous prime is 136621124173. The next prime is 136621124239. The reversal of 136621124205 is 502421126631.

It is not a de Polignac number, because 136621124205 - 2⁵ = 136621124173 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, 214780 + ... + 565130.

It is an arithmetic number, because the mean of its divisors is an integer number (13662676944).

Almost surely, 2^136621124205 is an apocalyptic number.

136621124205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136621124205 is a deficient number, since it is larger than the sum of its proper divisors (81981706899).

136621124205 is a wasteful number, since it uses less digits than its factorization.

136621124205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376356.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 136621124205 in words is "one hundred thirty-six billion, six hundred twenty-one million, one hundred twenty-four thousand, two hundred five".