136016642 has 4 divisors (see below), whose sum is σ = 204024966. Its totient is φ = 68008320.

The previous prime is 136016563. The next prime is 136016651. The reversal of 136016642 is 246610631.

It is a happy number.

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., 127260961 + 8755681 = 11281^2 + 2959^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34004159 + ... + 34004162.

Almost surely, 2^136016642 is an apocalyptic number.

136016642 is a deficient number, since it is larger than the sum of its proper divisors (68008324).

136016642 is an equidigital number, since it uses as much as digits as its factorization.

136016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68008323.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 136016642 is about 11662.6172877275. The cubic root of 136016642 is about 514.2772933880.

The spelling of 136016642 in words is "one hundred thirty-six million, sixteen thousand, six hundred forty-two".