136821606336 has 84 divisors (see below), whose sum is σ = 392298072400. Its totient is φ = 45592823808.

The previous prime is 136821606323. The next prime is 136821606349. The reversal of 136821606336 is 633606128631.

136821606336 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 2 + 1 + 6 + 0 + 633 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (136821606323) and next prime (136821606349).

It is a junction number, because it is equal to n+sod(n) for n = 136821606291 and 136821606300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1875960 + ... + 1947528.

Almost surely, 2^136821606336 is an apocalyptic number.

136821606336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136821606336 is an abundant number, since it is smaller than the sum of its proper divisors (255476466064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136821606336 is a wasteful number, since it uses less digits than its factorization.

136821606336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74906 (or 74893 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 136821606336 in words is "one hundred thirty-six billion, eight hundred twenty-one million, six hundred six thousand, three hundred thirty-six".