136311242 has 8 divisors (see below), whose sum is σ = 204770916. Its totient is φ = 68054272.

The previous prime is 136311239. The next prime is 136311251. The reversal of 136311242 is 242113631.

It can be written as a sum of positive squares in 2 ways, for example, as 95082001 + 41229241 = 9751^2 + 6421^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48983 + ... + 51690.

Almost surely, 2^136311242 is an apocalyptic number.

136311242 is a deficient number, since it is larger than the sum of its proper divisors (68459674).

136311242 is a wasteful number, since it uses less digits than its factorization.

136311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101352.

The product of its digits is 864, while the sum is 23.

The square root of 136311242 is about 11675.2405542670. The cubic root of 136311242 is about 514.6483186707.

Adding to 136311242 its reverse (242113631), we get a palindrome (378424873).

The spelling of 136311242 in words is "one hundred thirty-six million, three hundred eleven thousand, two hundred forty-two".