136609722 has 36 divisors (see below), whose sum is σ = 314434926. Its totient is φ = 42856320.

The previous prime is 136609699. The next prime is 136609727. The reversal of 136609722 is 227906631.

It can be written as a sum of positive squares in 3 ways, for example, as 110691441 + 25918281 = 10521^2 + 5091^2 .

It is a super-2 number, since 2×136609722² = 37324432289834568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136609727) 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, 7929 + ... + 18332.

Almost surely, 2^136609722 is an apocalyptic number.

136609722 is an abundant number, since it is smaller than the sum of its proper divisors (177825204).

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

136609722 is a wasteful number, since it uses less digits than its factorization.

136609722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26303 (or 26283 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 136609722 is about 11688.0161704200. The cubic root of 136609722 is about 515.0236857174.

The spelling of 136609722 in words is "one hundred thirty-six million, six hundred nine thousand, seven hundred twenty-two".