136501340346 has 128 divisors (see below), whose sum is σ = 356088821760. Its totient is φ = 37954832256.

The previous prime is 136501340321. The next prime is 136501340347. The reversal of 136501340346 is 643043105631.

136501340346 is a `hidden beast` number, since 136 + 50 + 134 + 0 + 346 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 136501340346.

It is not an unprimeable number, because it can be changed into a prime (136501340347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2069590 + ... + 2134526.

It is an arithmetic number, because the mean of its divisors is an integer number (2781943920).

Almost surely, 2^136501340346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136501340346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178044410880).

136501340346 is an abundant number, since it is smaller than the sum of its proper divisors (219587481414).

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

136501340346 is a wasteful number, since it uses less digits than its factorization.

136501340346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65105 (or 65099 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 136501340346 its reverse (643043105631), we get a palindrome (779544445977).

The spelling of 136501340346 in words is "one hundred thirty-six billion, five hundred one million, three hundred forty thousand, three hundred forty-six".