146961959 has 2 divisors, whose sum is σ = 146961960. Its totient is φ = 146961958.

The previous prime is 146961911. The next prime is 146961961. The reversal of 146961959 is 959169641.

It is a strong prime.

It is an emirp because it is prime and its reverse (959169641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146961959 is a prime.

Together with 146961961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146961989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73480979 + 73480980.

It is an arithmetic number, because the mean of its divisors is an integer number (73480980).

Almost surely, 2^146961959 is an apocalyptic number.

146961959 is a deficient number, since it is larger than the sum of its proper divisors (1).

146961959 is an equidigital number, since it uses as much as digits as its factorization.

146961959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 50.

The square root of 146961959 is about 12122.7867670763. The cubic root of 146961959 is about 527.7176796015.

The spelling of 146961959 in words is "one hundred forty-six million, nine hundred sixty-one thousand, nine hundred fifty-nine".