136199242 has 8 divisors (see below), whose sum is σ = 205428132. Its totient is φ = 67723200.

The previous prime is 136199237. The next prime is 136199243. The reversal of 136199242 is 242991631.

It can be written as a sum of positive squares in 2 ways, for example, as 131537961 + 4661281 = 11469^2 + 2159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136199243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187759 + ... + 188482.

Almost surely, 2^136199242 is an apocalyptic number.

136199242 is a deficient number, since it is larger than the sum of its proper divisors (69228890).

136199242 is a wasteful number, since it uses less digits than its factorization.

136199242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376424.

The product of its digits is 23328, while the sum is 37.

The square root of 136199242 is about 11670.4430935590. The cubic root of 136199242 is about 514.5073266174.

The spelling of 136199242 in words is "one hundred thirty-six million, one hundred ninety-nine thousand, two hundred forty-two".