136680436780002 has 48 divisors (see below), whose sum is σ = 305695394903808. Its totient is φ = 44090244997920.

The previous prime is 136680436779967. The next prime is 136680436780049. The reversal of 136680436780002 is 200087634086631.

136680436780002 is a `hidden beast` number, since 1 + 3 + 66 + 80 + 436 + 78 + 0 + 0 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142175313 + ... + 143133435.

It is an arithmetic number, because the mean of its divisors is an integer number (6368654060496).

Almost surely, 2^{136680436780002} is an apocalyptic number.

136680436780002 is an abundant number, since it is smaller than the sum of its proper divisors (169014958123806).

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

136680436780002 is a wasteful number, since it uses less digits than its factorization.

136680436780002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213815 (or 1213812 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 136680436780002 in words is "one hundred thirty-six trillion, six hundred eighty billion, four hundred thirty-six million, seven hundred eighty thousand, two".