136830656394 has 48 divisors (see below), whose sum is σ = 303391269792. Its totient is φ = 44552443104.

The previous prime is 136830656387. The next prime is 136830656399. The reversal of 136830656394 is 493656038631.

136830656394 is a `hidden beast` number, since 13 + 68 + 3 + 0 + 6 + 563 + 9 + 4 = 666.

136830656394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 136830656394.

It is not an unprimeable number, because it can be changed into a prime (136830656399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99364 + ... + 532479.

It is an arithmetic number, because the mean of its divisors is an integer number (6320651454).

Almost surely, 2^136830656394 is an apocalyptic number.

136830656394 is an abundant number, since it is smaller than the sum of its proper divisors (166560613398).

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

136830656394 is a wasteful number, since it uses less digits than its factorization.

136830656394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632131 (or 632128 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 136830656394 in words is "one hundred thirty-six billion, eight hundred thirty million, six hundred fifty-six thousand, three hundred ninety-four".