136683612 has 144 divisors (see below), whose sum is σ = 400239840. Its totient is φ = 40497408.

The previous prime is 136683607. The next prime is 136683629. The reversal of 136683612 is 216386631.

136683612 is a `hidden beast` number, since 1 + 36 + 6 + 8 + 3 + 612 = 666.

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

It is a congruent number.

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, 366258 + ... + 366630.

Almost surely, 2^136683612 is an apocalyptic number.

136683612 is a gapful number since it is divisible by the number (12) 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 136683612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200119920).

136683612 is an abundant number, since it is smaller than the sum of its proper divisors (263556228).

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

136683612 is a wasteful number, since it uses less digits than its factorization.

136683612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 420 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 136683612 is about 11691.1766730300. The cubic root of 136683612 is about 515.1165249886.

The spelling of 136683612 in words is "one hundred thirty-six million, six hundred eighty-three thousand, six hundred twelve".