136261350064 has 80 divisors (see below), whose sum is σ = 310550917120. Its totient is φ = 56713063680.

The previous prime is 136261350007. The next prime is 136261350103. The reversal of 136261350064 is 460053162631.

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, 413497 + ... + 665959.

It is an arithmetic number, because the mean of its divisors is an integer number (3881886464).

Almost surely, 2^136261350064 is an apocalyptic number.

136261350064 is a gapful number since it is divisible by the number (14) 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 136261350064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155275458560).

136261350064 is an abundant number, since it is smaller than the sum of its proper divisors (174289567056).

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

136261350064 is a wasteful number, since it uses less digits than its factorization.

136261350064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252618 (or 252612 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 136261350064 in words is "one hundred thirty-six billion, two hundred sixty-one million, three hundred fifty thousand, sixty-four".