136403805873247 has 16 divisors (see below), whose sum is σ = 151994859674112. Its totient is φ = 121345393029120.

The previous prime is 136403805873239. The next prime is 136403805873289. The reversal of 136403805873247 is 742378508304631.

It is not a de Polignac number, because 136403805873247 - 2³ = 136403805873239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136403805879247) 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, 18218658 + ... + 24591199.

It is an arithmetic number, because the mean of its divisors is an integer number (9499678729632).

Almost surely, 2^{136403805873247} is an apocalyptic number.

136403805873247 is a deficient number, since it is larger than the sum of its proper divisors (15591053800865).

136403805873247 is a wasteful number, since it uses less digits than its factorization.

136403805873247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42816078.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 136403805873247 in words is "one hundred thirty-six trillion, four hundred three billion, eight hundred five million, eight hundred seventy-three thousand, two hundred forty-seven".