136405008623708 has 48 divisors (see below), whose sum is σ = 260533965199200. Its totient is φ = 61972659982080.

The previous prime is 136405008623707. The next prime is 136405008623729. The reversal of 136405008623708 is 807326800504631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136405008623708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136405008623707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2647741166 + ... + 2647792682.

It is an arithmetic number, because the mean of its divisors is an integer number (5427790941650).

Almost surely, 2^{136405008623708} is an apocalyptic number.

It is an amenable number.

136405008623708 is a deficient number, since it is larger than the sum of its proper divisors (124128956575492).

136405008623708 is a wasteful number, since it uses less digits than its factorization.

136405008623708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79110 (or 79108 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 136405008623708 in words is "one hundred thirty-six trillion, four hundred five billion, eight million, six hundred twenty-three thousand, seven hundred eight".