136280382 has 64 divisors (see below), whose sum is σ = 329785344. Its totient is φ = 36701280.

The previous prime is 136280377. The next prime is 136280387. The reversal of 136280382 is 283082631.

It is an interprime number because it is at equal distance from previous prime (136280377) and next prime (136280387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136280387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67593 + ... + 69579.

It is an arithmetic number, because the mean of its divisors is an integer number (5152896).

Almost surely, 2^136280382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136280382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164892672).

136280382 is an abundant number, since it is smaller than the sum of its proper divisors (193504962).

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

136280382 is a wasteful number, since it uses less digits than its factorization.

136280382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 136280382 is about 11673.9188792796. The cubic root of 136280382 is about 514.6094780351.

The spelling of 136280382 in words is "one hundred thirty-six million, two hundred eighty thousand, three hundred eighty-two".