136844816 has 10 divisors (see below), whose sum is σ = 265136862. Its totient is φ = 68422400.

The previous prime is 136844809. The next prime is 136844837. The reversal of 136844816 is 618448631.

It can be written as a sum of positive squares in only one way, i.e., 136796416 + 48400 = 11696^2 + 220^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276385 + ... + 4276416.

Almost surely, 2^136844816 is an apocalyptic number.

136844816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136844816 is a deficient number, since it is larger than the sum of its proper divisors (128292046).

136844816 is an equidigital number, since it uses as much as digits as its factorization.

136844816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552809 (or 8552803 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 136844816 is about 11698.0689004639. The cubic root of 136844816 is about 515.3189540856.

The spelling of 136844816 in words is "one hundred thirty-six million, eight hundred forty-four thousand, eight hundred sixteen".