136512684 has 180 divisors, whose sum is σ = 445528720. Its totient is φ = 34499520.

The previous prime is 136512679. The next prime is 136512689. The reversal of 136512684 is 486215631.

It is a happy number.

136512684 is a `hidden beast` number, since 136 + 512 + 6 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (136512679) and next prime (136512689).

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

Its product of digits (34560) is a multiple of the sum of its prime divisors (60).

It is not an unprimeable number, because it can be changed into a prime (136512689) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3689514 + ... + 3689550.

Almost surely, 2^136512684 is an apocalyptic number.

136512684 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 136512684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222764360).

136512684 is an abundant number, since it is smaller than the sum of its proper divisors (309016036).

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

136512684 is a wasteful number, since it uses less digits than its factorization.

136512684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 60 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 136512684 is about 11683.8642580270. The cubic root of 136512684 is about 514.9017112203.

The spelling of 136512684 in words is "one hundred thirty-six million, five hundred twelve thousand, six hundred eighty-four".