146186039 has 2 divisors, whose sum is σ = 146186040. Its totient is φ = 146186038.

The previous prime is 146185973. The next prime is 146186059. The reversal of 146186039 is 930681641.

It is a strong prime.

It is an emirp because it is prime and its reverse (930681641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146186039 - 2¹² = 146181943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146185993 and 146186011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146186059) 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, 73093019 + 73093020.

It is an arithmetic number, because the mean of its divisors is an integer number (73093020).

Almost surely, 2^146186039 is an apocalyptic number.

146186039 is a deficient number, since it is larger than the sum of its proper divisors (1).

146186039 is an equidigital number, since it uses as much as digits as its factorization.

146186039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 146186039 is about 12090.7418713659. The cubic root of 146186039 is about 526.7873040336.

The spelling of 146186039 in words is "one hundred forty-six million, one hundred eighty-six thousand, thirty-nine".