136603442 has 8 divisors (see below), whose sum is σ = 204955500. Its totient is φ = 68284944.

The previous prime is 136603429. The next prime is 136603447. The reversal of 136603442 is 244306631.

It can be written as a sum of positive squares in 2 ways, for example, as 110481121 + 26122321 = 10511^2 + 5111^2 .

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 (136603447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8984 + ... + 18812.

Almost surely, 2^136603442 is an apocalyptic number.

136603442 is a deficient number, since it is larger than the sum of its proper divisors (68352058).

136603442 is an equidigital number, since it uses as much as digits as its factorization.

136603442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 136603442 is about 11687.7475160956. The cubic root of 136603442 is about 515.0157936527.

The spelling of 136603442 in words is "one hundred thirty-six million, six hundred three thousand, four hundred forty-two".