146938073 has 2 divisors, whose sum is σ = 146938074. Its totient is φ = 146938072.

The previous prime is 146938067. The next prime is 146938093. The reversal of 146938073 is 370839641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139523344 + 7414729 = 11812^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 146938073 - 2¹⁴ = 146921689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146938073.

It is not a weakly prime, because it can be changed into another prime (146938003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73469036 + 73469037.

It is an arithmetic number, because the mean of its divisors is an integer number (73469037).

Almost surely, 2^146938073 is an apocalyptic number.

It is an amenable number.

146938073 is a deficient number, since it is larger than the sum of its proper divisors (1).

146938073 is an equidigital number, since it uses as much as digits as its factorization.

146938073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 146938073 is about 12121.8015575244. The cubic root of 146938073 is about 527.6890877411.

The spelling of 146938073 in words is "one hundred forty-six million, nine hundred thirty-eight thousand, seventy-three".