136818380 has 36 divisors (see below), whose sum is σ = 305226768. Its totient is φ = 51505920.

The previous prime is 136818379. The next prime is 136818413. The reversal of 136818380 is 83818631.

136818380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6056 + ... + 17615.

Almost surely, 2^136818380 is an apocalyptic number.

136818380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136818380 is an abundant number, since it is smaller than the sum of its proper divisors (168408388).

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

136818380 is a wasteful number, since it uses less digits than its factorization.

136818380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23714 (or 23695 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 136818380 is about 11696.9389158019. The cubic root of 136818380 is about 515.2857684436.

The spelling of 136818380 in words is "one hundred thirty-six million, eight hundred eighteen thousand, three hundred eighty".