136087308 has 144 divisors (see below), whose sum is σ = 408844800. Its totient is φ = 38144736.

The previous prime is 136087277. The next prime is 136087313. The reversal of 136087308 is 803780631.

136087308 is a `hidden beast` number, since 13 + 608 + 7 + 30 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271791 + ... + 1271897.

It is an arithmetic number, because the mean of its divisors is an integer number (2839200).

Almost surely, 2^136087308 is an apocalyptic number.

136087308 is a gapful number since it is divisible by the number (18) 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 136087308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204422400).

136087308 is an abundant number, since it is smaller than the sum of its proper divisors (272757492).

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

136087308 is a wasteful number, since it uses less digits than its factorization.

136087308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 136087308 is about 11665.6464887292. The cubic root of 136087308 is about 514.3663404017.

The spelling of 136087308 in words is "one hundred thirty-six million, eighty-seven thousand, three hundred eight".