136220202 has 36 divisors (see below), whose sum is σ = 298378626. Its totient is φ = 44914320.

The previous prime is 136220197. The next prime is 136220209. The reversal of 136220202 is 202022631.

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 37197801 = 9951^2 + 6099^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (136220209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 205752 + ... + 206412.

Almost surely, 2^136220202 is an apocalyptic number.

136220202 is an abundant number, since it is smaller than the sum of its proper divisors (162158424).

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

136220202 is a wasteful number, since it uses less digits than its factorization.

136220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 136220202 is about 11671.3410540520. The cubic root of 136220202 is about 514.5337181505.

Adding to 136220202 its reverse (202022631), we get a palindrome (338242833).

The spelling of 136220202 in words is "one hundred thirty-six million, two hundred twenty thousand, two hundred two".