146120877389 has 2 divisors, whose sum is σ = 146120877390. Its totient is φ = 146120877388.

The previous prime is 146120877349. The next prime is 146120877403. The reversal of 146120877389 is 983778021641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145975192489 + 145684900 = 382067^2 + 12070^2 .

It is a cyclic number.

It is not a de Polignac number, because 146120877389 - 2³⁶ = 77401400653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146120877319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73060438694 + 73060438695.

It is an arithmetic number, because the mean of its divisors is an integer number (73060438695).

Almost surely, 2^146120877389 is an apocalyptic number.

It is an amenable number.

146120877389 is a deficient number, since it is larger than the sum of its proper divisors (1).

146120877389 is an equidigital number, since it uses as much as digits as its factorization.

146120877389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 146120877389 in words is "one hundred forty-six billion, one hundred twenty million, eight hundred seventy-seven thousand, three hundred eighty-nine".