146708806909 has 4 divisors (see below), whose sum is σ = 167667207904. Its totient is φ = 125750405916.

The previous prime is 146708806891. The next prime is 146708806927. The reversal of 146708806909 is 909608807641.

146708806909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 909608807641 = 571 ⋅1593010171.

It is an interprime number because it is at equal distance from previous prime (146708806891) and next prime (146708806927).

It is a cyclic number.

It is not a de Polignac number, because 146708806909 - 2²¹ = 146706709757 is a prime.

It is a super-2 number, since 2×146708806909² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146708806999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10479200487 + ... + 10479200500.

It is an arithmetic number, because the mean of its divisors is an integer number (41916801976).

Almost surely, 2^146708806909 is an apocalyptic number.

It is an amenable number.

146708806909 is a deficient number, since it is larger than the sum of its proper divisors (20958400995).

146708806909 is an equidigital number, since it uses as much as digits as its factorization.

146708806909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20958400994.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 146708806909 in words is "one hundred forty-six billion, seven hundred eight million, eight hundred six thousand, nine hundred nine".