136812854586406 has 8 divisors (see below), whose sum is σ = 206448139855440. Its totient is φ = 67996807967928.

The previous prime is 136812854586341. The next prime is 136812854586413. The reversal of 136812854586406 is 604685458218631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204809662221 + ... + 204809662888.

It is an arithmetic number, because the mean of its divisors is an integer number (25806017481930).

Almost surely, 2^{136812854586406} is an apocalyptic number.

136812854586406 is a deficient number, since it is larger than the sum of its proper divisors (69635285269034).

136812854586406 is a wasteful number, since it uses less digits than its factorization.

136812854586406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409619325278.

The product of its (nonzero) digits is 265420800, while the sum is 67.

The spelling of 136812854586406 in words is "one hundred thirty-six trillion, eight hundred twelve billion, eight hundred fifty-four million, five hundred eighty-six thousand, four hundred six".