146739959 has 2 divisors, whose sum is σ = 146739960. Its totient is φ = 146739958.

The previous prime is 146739949. The next prime is 146739961. The reversal of 146739959 is 959937641.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146739959 - 2¹² = 146735863 is a prime.

Together with 146739961, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146739959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146739949) 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 as a sum of consecutive naturals, namely, 73369979 + 73369980.

It is an arithmetic number, because the mean of its divisors is an integer number (73369980).

Almost surely, 2^146739959 is an apocalyptic number.

146739959 is a deficient number, since it is larger than the sum of its proper divisors (1).

146739959 is an equidigital number, since it uses as much as digits as its factorization.

146739959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 146739959 is about 12113.6269960735. The cubic root of 146739959 is about 527.4518231272.

The spelling of 146739959 in words is "one hundred forty-six million, seven hundred thirty-nine thousand, nine hundred fifty-nine".