136828740 has 96 divisors (see below), whose sum is σ = 393853824. Its totient is φ = 35481600.

The previous prime is 136828723. The next prime is 136828751. The reversal of 136828740 is 47828631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405852 + ... + 406188.

It is an arithmetic number, because the mean of its divisors is an integer number (4102644).

Almost surely, 2^136828740 is an apocalyptic number.

136828740 is a gapful number since it is divisible by the number (10) 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 136828740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196926912).

136828740 is an abundant number, since it is smaller than the sum of its proper divisors (257025084).

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

136828740 is a wasteful number, since it uses less digits than its factorization.

136828740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 136828740 is about 11697.3817583252. The cubic root of 136828740 is about 515.2987740691.

It can be divided in two parts, 13682 and 8740, that added together give a palindrome (22422).

The spelling of 136828740 in words is "one hundred thirty-six million, eight hundred twenty-eight thousand, seven hundred forty".