136620432806 has 24 divisors (see below), whose sum is σ = 242581613232. Its totient is φ = 57323257200.

The previous prime is 136620432797. The next prime is 136620432811. The reversal of 136620432806 is 608234026631.

136620432806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136620432806² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21710210 + ... + 21716501.

It is an arithmetic number, because the mean of its divisors is an integer number (10107567218).

Almost surely, 2^136620432806 is an apocalyptic number.

136620432806 is a deficient number, since it is larger than the sum of its proper divisors (105961180426).

136620432806 is a wasteful number, since it uses less digits than its factorization.

136620432806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43426748 (or 43426737 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 136620432806 in words is "one hundred thirty-six billion, six hundred twenty million, four hundred thirty-two thousand, eight hundred six".