136449382 has 8 divisors (see below), whose sum is σ = 204739416. Its totient is φ = 68202912.

The previous prime is 136449343. The next prime is 136449389. The reversal of 136449382 is 283944631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136449389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408 + ... + 16579.

It is an arithmetic number, because the mean of its divisors is an integer number (25592427).

Almost surely, 2^136449382 is an apocalyptic number.

136449382 is a deficient number, since it is larger than the sum of its proper divisors (68290034).

136449382 is a wasteful number, since it uses less digits than its factorization.

136449382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21782.

The product of its digits is 124416, while the sum is 40.

The square root of 136449382 is about 11681.1549942632. The cubic root of 136449382 is about 514.8221109308.

The spelling of 136449382 in words is "one hundred thirty-six million, four hundred forty-nine thousand, three hundred eighty-two".