146308913 has 2 divisors, whose sum is σ = 146308914. Its totient is φ = 146308912.

The previous prime is 146308909. The next prime is 146308937. The reversal of 146308913 is 319803641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 28976689 = 10832^2 + 5383^2 .

It is a cyclic number.

It is not a de Polignac number, because 146308913 - 2² = 146308909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (146308993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73154456 + 73154457.

It is an arithmetic number, because the mean of its divisors is an integer number (73154457).

Almost surely, 2^146308913 is an apocalyptic number.

It is an amenable number.

146308913 is a deficient number, since it is larger than the sum of its proper divisors (1).

146308913 is an equidigital number, since it uses as much as digits as its factorization.

146308913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 146308913 is about 12095.8221299753. The cubic root of 146308913 is about 526.9348565100.

The spelling of 146308913 in words is "one hundred forty-six million, three hundred eight thousand, nine hundred thirteen".