354138019 has 2 divisors, whose sum is σ = 354138020. Its totient is φ = 354138018.

The previous prime is 354137977. The next prime is 354138041. The reversal of 354138019 is 910831453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354138019 - 2⁹ = 354137507 is a prime.

It is a super-2 number, since 2×354138019² = 250827473002488722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354138089) 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, 177069009 + 177069010.

It is an arithmetic number, because the mean of its divisors is an integer number (177069010).

Almost surely, 2^354138019 is an apocalyptic number.

354138019 is a deficient number, since it is larger than the sum of its proper divisors (1).

354138019 is an equidigital number, since it uses as much as digits as its factorization.

354138019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 354138019 is about 18818.5551783340. Note that the first 3 decimals coincide. The cubic root of 354138019 is about 707.4963188261.

The spelling of 354138019 in words is "three hundred fifty-four million, one hundred thirty-eight thousand, nineteen".