68365149 has 4 divisors (see below), whose sum is σ = 91153536. Its totient is φ = 45576764.

The previous prime is 68365111. The next prime is 68365169. The reversal of 68365149 is 94156386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68365149 - 2¹¹ = 68363101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68365149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68365169) 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, 11394189 + ... + 11394194.

It is an arithmetic number, because the mean of its divisors is an integer number (22788384).

Almost surely, 2^68365149 is an apocalyptic number.

It is an amenable number.

68365149 is a deficient number, since it is larger than the sum of its proper divisors (22788387).

68365149 is a wasteful number, since it uses less digits than its factorization.

68365149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22788386.

The product of its digits is 155520, while the sum is 42.

The square root of 68365149 is about 8268.3220184025. The cubic root of 68365149 is about 408.8948006091.

The spelling of 68365149 in words is "sixty-eight million, three hundred sixty-five thousand, one hundred forty-nine".