136643412 has 24 divisors (see below), whose sum is σ = 329120512. Its totient is φ = 44078400.

The previous prime is 136643407. The next prime is 136643413. The reversal of 136643412 is 214346631.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 136643412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136643413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183289 + ... + 184032.

Almost surely, 2^136643412 is an apocalyptic number.

136643412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136643412 is an abundant number, since it is smaller than the sum of its proper divisors (192477100).

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

136643412 is a wasteful number, since it uses less digits than its factorization.

136643412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367359 (or 367357 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 136643412 is about 11689.4573013464. The cubic root of 136643412 is about 515.0660197514.

The spelling of 136643412 in words is "one hundred thirty-six million, six hundred forty-three thousand, four hundred twelve".