136322679780 has 192 divisors, whose sum is σ = 484922350080. Its totient is φ = 31145361408.

The previous prime is 136322679721. The next prime is 136322679791. The reversal of 136322679780 is 87976223631.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9945892 + ... + 9959588.

It is an arithmetic number, because the mean of its divisors is an integer number (2525637240).

Almost surely, 2^136322679780 is an apocalyptic number.

136322679780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136322679780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242461175040).

136322679780 is an abundant number, since it is smaller than the sum of its proper divisors (348599670300).

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

136322679780 is a wasteful number, since it uses less digits than its factorization.

136322679780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16355 (or 16347 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 136322679780 in words is "one hundred thirty-six billion, three hundred twenty-two million, six hundred seventy-nine thousand, seven hundred eighty".