146120877989 has 2 divisors, whose sum is σ = 146120877990. Its totient is φ = 146120877988.

The previous prime is 146120877983. The next prime is 146120878021. The reversal of 146120877989 is 989778021641.

It is a happy number.

146120877989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79216917025 + 66903960964 = 281455^2 + 258658^2 .

It is an emirp because it is prime and its reverse (989778021641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146120877989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146120877983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73060438994 + 73060438995.

It is an arithmetic number, because the mean of its divisors is an integer number (73060438995).

Almost surely, 2^146120877989 is an apocalyptic number.

It is an amenable number.

146120877989 is a deficient number, since it is larger than the sum of its proper divisors (1).

146120877989 is an equidigital number, since it uses as much as digits as its factorization.

146120877989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 62.

The spelling of 146120877989 in words is "one hundred forty-six billion, one hundred twenty million, eight hundred seventy-seven thousand, nine hundred eighty-nine".