340137019 has 2 divisors, whose sum is σ = 340137020. Its totient is φ = 340137018.

The previous prime is 340136983. The next prime is 340137023. The reversal of 340137019 is 910731043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340137019 - 2⁷ = 340136891 is a prime.

It is a super-2 number, since 2×340137019² = 231386383388412722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340137089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170068509 + 170068510.

It is an arithmetic number, because the mean of its divisors is an integer number (170068510).

Almost surely, 2^340137019 is an apocalyptic number.

340137019 is a deficient number, since it is larger than the sum of its proper divisors (1).

340137019 is an equidigital number, since it uses as much as digits as its factorization.

340137019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 340137019 is about 18442.8039896324. The cubic root of 340137019 is about 698.0469497952.

The spelling of 340137019 in words is "three hundred forty million, one hundred thirty-seven thousand, nineteen".