345130439 has 2 divisors, whose sum is σ = 345130440. Its totient is φ = 345130438.

The previous prime is 345130411. The next prime is 345130451. The reversal of 345130439 is 934031543.

It is a strong prime.

It is an emirp because it is prime and its reverse (934031543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345130439 - 2¹⁶ = 345064903 is a prime.

It is a super-3 number, since 3×345130439³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345130469) 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, 172565219 + 172565220.

It is an arithmetic number, because the mean of its divisors is an integer number (172565220).

Almost surely, 2^345130439 is an apocalyptic number.

345130439 is a deficient number, since it is larger than the sum of its proper divisors (1).

345130439 is an equidigital number, since it uses as much as digits as its factorization.

345130439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 345130439 is about 18577.6865890239. The cubic root of 345130439 is about 701.4462879606.

The spelling of 345130439 in words is "three hundred forty-five million, one hundred thirty thousand, four hundred thirty-nine".