136732020 has 96 divisors (see below), whose sum is σ = 416441088. Its totient is φ = 33380352.

The previous prime is 136731989. The next prime is 136732027. The reversal of 136732020 is 20237631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136732027) by changing a digit.

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, 35929 + ... + 39551.

It is an arithmetic number, because the mean of its divisors is an integer number (4337928).

Almost surely, 2^136732020 is an apocalyptic number.

136732020 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 136732020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208220544).

136732020 is an abundant number, since it is smaller than the sum of its proper divisors (279709068).

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

136732020 is a wasteful number, since it uses less digits than its factorization.

136732020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689 (or 3687 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 136732020 is about 11693.2467689688. The cubic root of 136732020 is about 515.1773291996.

Adding to 136732020 its reverse (20237631), we get a palindrome (156969651).

The spelling of 136732020 in words is "one hundred thirty-six million, seven hundred thirty-two thousand, twenty".