136220760 has 144 divisors (see below), whose sum is σ = 479606400. Its totient is φ = 33516288.

The previous prime is 136220753. The next prime is 136220761. The reversal of 136220760 is 67022631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136220761) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59721 + ... + 61959.

It is an arithmetic number, because the mean of its divisors is an integer number (3330600).

Almost surely, 2^136220760 is an apocalyptic number.

136220760 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 136220760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239803200).

136220760 is an abundant number, since it is smaller than the sum of its proper divisors (343385640).

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

136220760 is a wasteful number, since it uses less digits than its factorization.

136220760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 136220760 is about 11671.3649587355. The cubic root of 136220760 is about 514.5344207125.

It can be divided in two parts, 1362 and 20760, that added together give a palindrome (22122).

The spelling of 136220760 in words is "one hundred thirty-six million, two hundred twenty thousand, seven hundred sixty".