146812739 has 2 divisors, whose sum is σ = 146812740. Its totient is φ = 146812738.

The previous prime is 146812669. The next prime is 146812751. The reversal of 146812739 is 937218641.

It is a strong prime.

It is an emirp because it is prime and its reverse (937218641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146812739 - 2²⁰ = 145764163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146812696 and 146812705.

It is not a weakly prime, because it can be changed into another prime (146812439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73406369 + 73406370.

It is an arithmetic number, because the mean of its divisors is an integer number (73406370).

Almost surely, 2^146812739 is an apocalyptic number.

146812739 is a deficient number, since it is larger than the sum of its proper divisors (1).

146812739 is an equidigital number, since it uses as much as digits as its factorization.

146812739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 146812739 is about 12116.6306785344. The cubic root of 146812739 is about 527.5390104645.

The spelling of 146812739 in words is "one hundred forty-six million, eight hundred twelve thousand, seven hundred thirty-nine".