136415242 has 8 divisors (see below), whose sum is σ = 216659556. Its totient is φ = 64195392.

The previous prime is 136415203. The next prime is 136415243. The reversal of 136415242 is 242514631.

It can be written as a sum of positive squares in 2 ways, for example, as 117744201 + 18671041 = 10851^2 + 4321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 136415242.

It is not an unprimeable number, because it can be changed into a prime (136415243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006073 + ... + 2006140.

Almost surely, 2^136415242 is an apocalyptic number.

136415242 is a deficient number, since it is larger than the sum of its proper divisors (80244314).

136415242 is a wasteful number, since it uses less digits than its factorization.

136415242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012232.

The product of its digits is 5760, while the sum is 28.

The square root of 136415242 is about 11679.6935747476. The cubic root of 136415242 is about 514.7791707267.

Adding to 136415242 its reverse (242514631), we get a palindrome (378929873).

The spelling of 136415242 in words is "one hundred thirty-six million, four hundred fifteen thousand, two hundred forty-two".