136422306 has 20 divisors (see below), whose sum is σ = 305687382. Its totient is φ = 45474048.

The previous prime is 136422259. The next prime is 136422313. The reversal of 136422306 is 603224631.

136422306 is a `hidden beast` number, since 13 + 642 + 2 + 3 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 24591681 = 10575^2 + 4959^2 .

It is a super-2 number, since 2×136422306² = 37222091148715272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 136422306.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 420895 + ... + 421218.

Almost surely, 2^136422306 is an apocalyptic number.

136422306 is an abundant number, since it is smaller than the sum of its proper divisors (169265076).

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

136422306 is an equidigital number, since it uses as much as digits as its factorization.

136422306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842127 (or 842118 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 136422306 is about 11679.9959760267. The cubic root of 136422306 is about 514.7880561886.

Adding to 136422306 its reverse (603224631), we get a palindrome (739646937).

The spelling of 136422306 in words is "one hundred thirty-six million, four hundred twenty-two thousand, three hundred six".