136144306 has 4 divisors (see below), whose sum is σ = 204216462. Its totient is φ = 68072152.

The previous prime is 136144303. The next prime is 136144331. The reversal of 136144306 is 603441631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81162081 + 54982225 = 9009^2 + 7415^2 .

It is not an unprimeable number, because it can be changed into a prime (136144301) 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 as a sum of consecutive naturals, namely, 34036075 + ... + 34036078.

Almost surely, 2^136144306 is an apocalyptic number.

136144306 is a deficient number, since it is larger than the sum of its proper divisors (68072156).

136144306 is an equidigital number, since it uses as much as digits as its factorization.

136144306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68072155.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 136144306 is about 11668.0892180339. The cubic root of 136144306 is about 514.4381417596.

Adding to 136144306 its reverse (603441631), we get a palindrome (739585937).

The spelling of 136144306 in words is "one hundred thirty-six million, one hundred forty-four thousand, three hundred six".