146727009 has 48 divisors (see below), whose sum is σ = 250810560. Its totient is φ = 81486720.

The previous prime is 146726981. The next prime is 146727023. The reversal of 146727009 is 900727641.

It is a happy number.

It is not a de Polignac number, because 146727009 - 2⁵ = 146726977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146727209) 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 47 ways as a sum of consecutive naturals, for example, 222322 + ... + 222980.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^146727009 is an apocalyptic number.

It is an amenable number.

146727009 is a deficient number, since it is larger than the sum of its proper divisors (104083551).

146727009 is a wasteful number, since it uses less digits than its factorization.

146727009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 146727009 is about 12113.0924622905. The cubic root of 146727009 is about 527.4363065583.

The spelling of 146727009 in words is "one hundred forty-six million, seven hundred twenty-seven thousand, nine".