340045091 has 2 divisors, whose sum is σ = 340045092. Its totient is φ = 340045090.

The previous prime is 340045081. The next prime is 340045099. The reversal of 340045091 is 190540043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340045091 - 2¹⁴ = 340028707 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340045091.

It is not a weakly prime, because it can be changed into another prime (340045099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170022545 + 170022546.

It is an arithmetic number, because the mean of its divisors is an integer number (170022546).

Almost surely, 2^340045091 is an apocalyptic number.

340045091 is a deficient number, since it is larger than the sum of its proper divisors (1).

340045091 is an equidigital number, since it uses as much as digits as its factorization.

340045091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 340045091 is about 18440.3115754588. The cubic root of 340045091 is about 697.9840576485.

The spelling of 340045091 in words is "three hundred forty million, forty-five thousand, ninety-one".