136438772316 has 96 divisors (see below), whose sum is σ = 397639882752. Its totient is φ = 35373723840.

The previous prime is 136438772311. The next prime is 136438772357. The reversal of 136438772316 is 613277834631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136438772311) 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 31 ways as a sum of consecutive naturals, for example, 370455 + ... + 640401.

It is an arithmetic number, because the mean of its divisors is an integer number (4142082112).

Almost surely, 2^136438772316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136438772316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198819941376).

136438772316 is an abundant number, since it is smaller than the sum of its proper divisors (261201110436).

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

136438772316 is a wasteful number, since it uses less digits than its factorization.

136438772316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270519 (or 270517 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 136438772316 in words is "one hundred thirty-six billion, four hundred thirty-eight million, seven hundred seventy-two thousand, three hundred sixteen".