146761389 has 20 divisors (see below), whose sum is σ = 219736000. Its totient is φ = 97617960.

The previous prime is 146761369. The next prime is 146761393. The reversal of 146761389 is 983167641.

It is a happy number.

It is not a de Polignac number, because 146761389 - 2⁹ = 146760877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146761309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38604 + ... + 42234.

It is an arithmetic number, because the mean of its divisors is an integer number (10986800).

Almost surely, 2^146761389 is an apocalyptic number.

It is an amenable number.

146761389 is a deficient number, since it is larger than the sum of its proper divisors (72974611).

146761389 is an equidigital number, since it uses as much as digits as its factorization.

146761389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4133 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 146761389 is about 12114.5115048028. The cubic root of 146761389 is about 527.4774983476.

The spelling of 146761389 in words is "one hundred forty-six million, seven hundred sixty-one thousand, three hundred eighty-nine".