136238066832080 has 80 divisors (see below), whose sum is σ = 327678779693520. Its totient is φ = 52615641071616.

The previous prime is 136238066832073. The next prime is 136238066832107. The reversal of 136238066832080 is 80238660832631.

It can be written as a sum of positive squares in 8 ways, for example, as 27711843753616 + 108526223078464 = 5264204^2 + 10417592^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478327472 + ... + 478612208.

It is an arithmetic number, because the mean of its divisors is an integer number (4095984746169).

Almost surely, 2^{136238066832080} is an apocalyptic number.

136238066832080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136238066832080 is an abundant number, since it is smaller than the sum of its proper divisors (191440712861440).

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

136238066832080 is a wasteful number, since it uses less digits than its factorization.

136238066832080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491016 (or 491010 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 136238066832080 in words is "one hundred thirty-six trillion, two hundred thirty-eight billion, sixty-six million, eight hundred thirty-two thousand, eighty".