136215773231616 has 400 divisors, whose sum is σ = 437904247334400. Its totient is φ = 41906653765632.

The previous prime is 136215773231567. The next prime is 136215773231683. The reversal of 136215773231616 is 616132377512631.

136215773231616 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 1 + 577 + 3 + 2 + 3 + 1 + 61 + 6 = 666.

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 39 ways as a sum of consecutive naturals, for example, 5304546265 + ... + 5304571943.

It is an arithmetic number, because the mean of its divisors is an integer number (1094760618336).

Almost surely, 2^{136215773231616} is an apocalyptic number.

136215773231616 is a gapful number since it is divisible by the number (16) 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 136215773231616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218952123667200).

136215773231616 is an abundant number, since it is smaller than the sum of its proper divisors (301688474102784).

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

136215773231616 is an equidigital number, since it uses as much as digits as its factorization.

136215773231616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35561 (or 35536 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The spelling of 136215773231616 in words is "one hundred thirty-six trillion, two hundred fifteen billion, seven hundred seventy-three million, two hundred thirty-one thousand, six hundred sixteen".