136480721191794 has 128 divisors (see below), whose sum is σ = 350707062182400. Its totient is φ = 38534926003200.

The previous prime is 136480721191783. The next prime is 136480721191849. The reversal of 136480721191794 is 497191127084631.

It is a happy number.

136480721191794 is a `hidden beast` number, since 1 + 3 + 6 + 480 + 72 + 1 + 19 + 1 + 79 + 4 = 666.

136480721191794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59462964 + ... + 61715520.

It is an arithmetic number, because the mean of its divisors is an integer number (2739898923300).

Almost surely, 2^{136480721191794} is an apocalyptic number.

136480721191794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 136480721191794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175353531091200).

136480721191794 is an abundant number, since it is smaller than the sum of its proper divisors (214226340990606).

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

136480721191794 is a wasteful number, since it uses less digits than its factorization.

136480721191794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254465 (or 2254459 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 136480721191794 in words is "one hundred thirty-six trillion, four hundred eighty billion, seven hundred twenty-one million, one hundred ninety-one thousand, seven hundred ninety-four".