146140739 has 2 divisors, whose sum is σ = 146140740. Its totient is φ = 146140738.

The previous prime is 146140681. The next prime is 146140741. The reversal of 146140739 is 937041641.

It is a strong prime.

It is an emirp because it is prime and its reverse (937041641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146140739 is a prime.

It is a super-2 number, since 2×146140739² = 42714231190932242, which contains 22 as substring.

Together with 146140741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146140699 and 146140708.

It is not a weakly prime, because it can be changed into another prime (146140139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73070369 + 73070370.

It is an arithmetic number, because the mean of its divisors is an integer number (73070370).

Almost surely, 2^146140739 is an apocalyptic number.

146140739 is a deficient number, since it is larger than the sum of its proper divisors (1).

146140739 is an equidigital number, since it uses as much as digits as its factorization.

146140739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 146140739 is about 12088.8683920374. The cubic root of 146140739 is about 526.7328849514.

The spelling of 146140739 in words is "one hundred forty-six million, one hundred forty thousand, seven hundred thirty-nine".