146132309 has 2 divisors, whose sum is σ = 146132310. Its totient is φ = 146132308.

The previous prime is 146132297. The next prime is 146132333. The reversal of 146132309 is 903231641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94148209 + 51984100 = 9703^2 + 7210^2 .

It is a cyclic number.

It is not a de Polignac number, because 146132309 - 2⁸ = 146132053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146132339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73066154 + 73066155.

It is an arithmetic number, because the mean of its divisors is an integer number (73066155).

Almost surely, 2^146132309 is an apocalyptic number.

It is an amenable number.

146132309 is a deficient number, since it is larger than the sum of its proper divisors (1).

146132309 is an equidigital number, since it uses as much as digits as its factorization.

146132309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 146132309 is about 12088.5197191385. The cubic root of 146132309 is about 526.7227567156.

The spelling of 146132309 in words is "one hundred forty-six million, one hundred thirty-two thousand, three hundred nine".