136444107 has 4 divisors (see below), whose sum is σ = 181925480. Its totient is φ = 90962736.

The previous prime is 136444103. The next prime is 136444109. The reversal of 136444107 is 701444631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136444107 - 2² = 136444103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136444103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22740682 + ... + 22740687.

It is an arithmetic number, because the mean of its divisors is an integer number (45481370).

Almost surely, 2^136444107 is an apocalyptic number.

136444107 is a deficient number, since it is larger than the sum of its proper divisors (45481373).

136444107 is an equidigital number, since it uses as much as digits as its factorization.

136444107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45481372.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 136444107 is about 11680.9292010525. The cubic root of 136444107 is about 514.8154766718.

Adding to 136444107 its reverse (701444631), we get a palindrome (837888738).

The spelling of 136444107 in words is "one hundred thirty-six million, four hundred forty-four thousand, one hundred seven".