136620046605 has 32 divisors (see below), whose sum is σ = 250607649024. Its totient is φ = 62257844736.

The previous prime is 136620046601. The next prime is 136620046613. The reversal of 136620046605 is 506640026631.

It is not a de Polignac number, because 136620046605 - 2² = 136620046601 is a prime.

It is a super-4 number, since 4×136620046605⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136620046601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2018992 + ... + 2085561.

It is an arithmetic number, because the mean of its divisors is an integer number (7831489032).

Almost surely, 2^136620046605 is an apocalyptic number.

136620046605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136620046605 is a deficient number, since it is larger than the sum of its proper divisors (113987602419).

136620046605 is a wasteful number, since it uses less digits than its factorization.

136620046605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104885.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 136620046605 in words is "one hundred thirty-six billion, six hundred twenty million, forty-six thousand, six hundred five".