146712909 has 24 divisors (see below), whose sum is σ = 230776128. Its totient is φ = 82649280.

The previous prime is 146712901. The next prime is 146712919. The reversal of 146712909 is 909217641.

It is not a de Polignac number, because 146712909 - 2³ = 146712901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146712901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3409 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (9615672).

Almost surely, 2^146712909 is an apocalyptic number.

It is an amenable number.

146712909 is a deficient number, since it is larger than the sum of its proper divisors (84063219).

146712909 is a wasteful number, since it uses less digits than its factorization.

146712909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14145 (or 14138 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 146712909 is about 12112.5104334320. The cubic root of 146712909 is about 527.4194110319.

The spelling of 146712909 in words is "one hundred forty-six million, seven hundred twelve thousand, nine hundred nine".