146946739 has 2 divisors, whose sum is σ = 146946740. Its totient is φ = 146946738.

The previous prime is 146946733. The next prime is 146946749. The reversal of 146946739 is 937649641.

It is a weak prime.

It is an emirp because it is prime and its reverse (937649641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146946739 - 2³ = 146946731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146946692 and 146946701.

It is not a weakly prime, because it can be changed into another prime (146946731) 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, 73473369 + 73473370.

It is an arithmetic number, because the mean of its divisors is an integer number (73473370).

Almost surely, 2^146946739 is an apocalyptic number.

146946739 is a deficient number, since it is larger than the sum of its proper divisors (1).

146946739 is an equidigital number, since it uses as much as digits as its factorization.

146946739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 146946739 is about 12122.1590073716. The cubic root of 146946739 is about 527.6994614167.

The spelling of 146946739 in words is "one hundred forty-six million, nine hundred forty-six thousand, seven hundred thirty-nine".